| Patent |
Priority |
Assignee |
Title |
| 1283212, |
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| 140156, |
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| 162075, |
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| 1702249, |
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| 1778898, |
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| 1942210, |
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| 2090331, |
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| 2109886, |
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| 2144440, |
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| 2186119, |
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| 2207923, |
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| 2280691, |
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| 2385171, |
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| 2525104, |
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| 2587177, |
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| 2596521, |
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| 2650014, |
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| 2805104, |
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| 2899011, |
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| 2952301, |
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| 3005513, |
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| 3085651, |
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| 317024, |
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| 3224530, |
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| 3269485, |
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| 3476211, |
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| 3481026, |
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| 3495684, |
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| 3625388, |
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| 3647606, |
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| 3692143, |
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| 3744591, |
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| 3811151, |
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| 3842936, |
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| 3869901, |
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| 3999629, |
Oct 06 1975 |
Marlene Designs, Inc. |
Foldable step stool |
| 4027741, |
Jul 15 1976 |
Shakespeare Company |
Locking hinge mechanism for a stepladder |
| 4031981, |
Jun 01 1976 |
Little Giant Industries Inc. |
Foldable work platform |
| 4060150, |
Sep 07 1973 |
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Ladder kit |
| 4061203, |
Feb 28 1977 |
Spencer Tool & Mfg. Co. Inc. |
Ladder attachment |
| 413730, |
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| 4153137, |
Sep 20 1978 |
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Boat ladder |
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Jul 03 1978 |
White Metal Rolling & Stamping Corp. |
Combination step, stair well and extension ladders |
| 4182431, |
Mar 13 1978 |
WEST ONE BANK, UTAH |
Combination extension and step ladder rungs therefor |
| 4204587, |
Oct 13 1978 |
White Metal Rolling and Stamping Corp. |
Ladder constructions |
| 4210224, |
Jan 05 1979 |
KUMMERLIN, WALTER |
Longitudinally variable ladder |
| 4216844, |
Jul 20 1977 |
Zarges Leichtbau GmbH |
Fitting for joints of ladder sections |
| 4276955, |
May 30 1978 |
TEKRON LICENSING B V |
Multiple-purpose work unit |
| 4298093, |
Nov 16 1978 |
WEST ONE BANK, UTAH |
Sawhorse |
| 4306700, |
Mar 13 1980 |
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Ladder jack |
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Apr 24 1980 |
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Step ladder utility box |
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Aug 01 1978 |
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Work pouch |
| 4371055, |
Nov 07 1980 |
WEST ONE BANK, UTAH |
Method of manufacturing a fiberglass ladder |
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Nov 07 1980 |
WEST ONE BANK, UTAH |
Fiberglass ladder |
| 4407045, |
Dec 21 1981 |
U S BANK NATIONAL ASSOICATION |
Ladder hinge and multi-position locking mechanism therefor |
| 4440264, |
Sep 07 1979 |
FIRST UNION COMMERCIAL CORPORATION, A NORTH CAROLINA CORPORATION |
Locking assembly for a folding seat |
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| 4469193, |
Mar 28 1983 |
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Utility ladder |
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May 05 1982 |
Litton Systems, Inc |
Diffusion-lighted magneto-optic display |
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May 18 1981 |
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Folding stepladder |
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Jul 26 1983 |
Cosco, Inc.; COSCO, INC |
Platform stool |
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Nov 29 1976 |
Precision Hardware, Inc. |
Lock bar |
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Nov 12 1982 |
Harper, Truck, Inc. |
Combination stepladder and hand truck apparatus |
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Mar 18 1983 |
Odetics, Inc. |
Vertical actuator mechanism for the legs of a walking machine |
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Apr 06 1982 |
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Stepladder |
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Mar 28 1983 |
U S BANK NATIONAL ASSOICATION |
Wall stand-off apparatus |
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May 04 1984 |
Metarplastic S.p.A. |
Folding ladder |
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Dec 21 1981 |
U S BANK NATIONAL ASSOICATION |
Ladder hinge and multi-position locking mechanism therefor |
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Jan 20 1983 |
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Joint mechanism for folding ladders, furniture and the like |
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Aug 31 1984 |
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Adjustable knuckle joint device for folding ladders |
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Sep 22 1986 |
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Joint for foldable aluminum ladders |
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Mar 04 1986 |
MYONG HO KIM |
Positioning joint for folding ladders |
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Feb 14 1985 |
U S BANK NATIONAL ASSOICATION |
Release mechanism for locking hinge for multi-positioned ladder |
| 4715297, |
Feb 27 1986 |
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Safe construction and rebar coupling device for use therewith |
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Sep 17 1986 |
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Foldable ladder |
| 4770559, |
Mar 31 1987 |
SINCLAIR WOLDWIDE, INC |
Positioning joint for folding ladders |
| 4773503, |
Sep 11 1987 |
Robert L., Pease; Kenneth T., Feeser |
Ladder hinge |
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Feb 19 1987 |
NATIONAL MANUFACTURING CO |
Hasp-type latch and method of making and using same |
| 4824278, |
Feb 21 1987 |
WOO KYONG INDUSTRIAL CO , LTD , A CORP OF KOREA |
Positioning joint for folding ladders |
| 4834216, |
Jan 15 1987 |
Louisville Ladder Group LLC |
Foldable ladder structure and method of manufacturing the same |
| 4859109, |
Aug 05 1986 |
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Expansion type clamp for connecting coinciding ends of tubular components for reticular structures and the like |
| 4890950, |
Nov 08 1988 |
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Positioning joint for a folding ladder |
| 4949811, |
Sep 29 1988 |
BAILEY ALUMINUM PRODUCTS PTY LTD |
Ladder brace |
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Aug 08 1988 |
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Combination ladder and height adjustable scaffold |
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Nov 27 1989 |
LOUISVILLE LADDER CORP |
Step ladder construction |
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Jul 23 1990 |
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Lockable folding joint for foldaway ladder |
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| 5052581, |
Aug 13 1990 |
Craft Creations Co., Inc. |
Ladder-supported holding tray |
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Apr 23 1990 |
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Stepladder platform |
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Apr 14 1986 |
ALFA METAL CORP , A CORP OF R O C ; ALFA METAL CORP , TAIPEI, TAIWAN, R O C , A CORP OF R O C |
Fixing knuckles in foldable aluminum ladder |
| 5074377, |
Nov 12 1988 |
KRAUSE-WERK GMBH & CO KG |
Jointed ladder |
| 5137240, |
Jun 19 1991 |
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Shoe tie apparatus |
| 5163532, |
Jul 12 1990 |
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Folding ladder |
| 5228535, |
Jul 12 1990 |
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Folding ladder |
| 5353892, |
Oct 14 1993 |
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Ladder joint for a folding collapsible ladder |
| 53566, |
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| 5366051, |
Aug 10 1990 |
WIP TECHNOLOGIES, INC |
Hollow plastic ladder |
| 5368347, |
Jul 07 1993 |
Southco, Inc. |
Swell latch assembly |
| 5386907, |
Jun 28 1993 |
Rubbermaid Incorporated |
Container having pivotal compartment |
| 5419409, |
Dec 27 1993 |
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Ladder with electrical supply and flip top tool holder |
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Jan 14 1994 |
DOREL HOME FURNISHINGS, INC |
Cart with removable tray assembly |
| 5460240, |
Oct 13 1993 |
Mississippi Power Company |
Stabilized ladder and platform |
| 5487207, |
Sep 05 1986 |
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Hinge element for a folding support |
| 5505302, |
Oct 17 1994 |
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Toolbox for a stepladder |
| 5507460, |
Apr 23 1993 |
P C TURCK GMBH & CO KG |
Tubing holder especially for patient applications |
| 5547080, |
Aug 22 1994 |
|
Suspendible tool box |
| 5603405, |
Nov 30 1995 |
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Ladder top storage rack |
| 5613574, |
Jun 23 1995 |
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Ladder mounted tool holster and parts tray |
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May 10 1995 |
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Adjustable joint assembly for ladder sections |
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Jul 08 1994 |
WERNER TECHNOLOGIES, INC |
Ladder, member for connecting a rail to a horizontal element of a ladder, and method |
| 5673885, |
Dec 27 1995 |
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Paint tray for a stepladder |
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Feb 16 1996 |
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Metal stud |
| 5722507, |
Jan 11 1996 |
DOREL HOME FURNISHINGS, INC |
Step stool assembly |
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Jun 24 1996 |
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Ladder supportable tool storage container |
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Feb 03 1997 |
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Tool accessory for ladder |
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Aug 22 1996 |
COSCO MANAGEMENT, INC |
Step stool |
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Feb 02 1995 |
GEELONG SALES COMPANY PTY LTD |
Hinge and ladder |
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Nov 07 1997 |
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Tool box |
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Jul 08 1994 |
WIP TECHNOLOGIES, INC |
Ladder, member for connecting a rail to a horizontal element of a ladder, and method, and apparatus and method for holding a washer |
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Jun 09 1997 |
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Tool box having a drawer |
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Sep 09 1996 |
Ladder Mate Corporation |
Step ladder tray |
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Sep 30 1997 |
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Tool box |
| 5913380, |
Dec 10 1996 |
CONSULIER ENGINEERING, INC |
Ladder accessory |
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Sep 22 1997 |
GATES CORPORATION, THE |
Device for mounting and deploying a shrinkable clamp |
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Aug 13 1998 |
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Step stool |
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Mar 04 1997 |
FiberLite Technologies, Inc. |
Fiber/resin composite ladder and accompanying accessories |
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Jul 28 1997 |
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Full-length step ladder with large, fold-away steps |
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Aug 17 1998 |
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Ladder including storage compartments |
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Jan 22 1998 |
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Pulling device for foldable ladder joint |
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Jan 29 1999 |
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Foldable frame |
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COSCO MANAGEMENT, INC |
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Feb 25 1999 |
TRICAM INDUSTRIES, INC |
Ladder frame |
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COSCO MANAGEMENT, INC |
Tray assembly with crotch post |
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May 29 1997 |
DOREL HOME FURNISHINGS, INC |
Step stool |
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COSCO MANAGEMENT, INC |
Collapsible step stool with step movement guide system |
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Jul 08 1994 |
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Sep 30 1998 |
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Ladder step stool with latch |
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Folding ladder |
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Ladder mate |
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Multi-positional paint tray |
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