| Patent |
Priority |
Assignee |
Title |
| 1385319, |
|
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| 1521814, |
|
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| 1811722, |
|
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| 1812119, |
|
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| 2007057, |
|
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| 202426, |
|
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| 2129401, |
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| 2471110, |
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| 2574286, |
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| 2584197, |
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| 281977, |
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| 2887260, |
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| 2934163, |
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| 3288248, |
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| 3374860, |
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| 3508628, |
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| 3882966, |
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| 3933221, |
Dec 17 1971 |
|
Ladder adjusting and stabilizing apparatus |
| 4069893, |
Nov 18 1976 |
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Ladder stabilizer and leveler |
| 4147231, |
Sep 27 1976 |
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Ladder stabilizing device |
| 4207886, |
Apr 13 1979 |
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Ladder adjusting and stabilizing apparatus |
| 4244446, |
Oct 20 1978 |
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Adjustable ladder support |
| 4421206, |
Feb 02 1980 |
U S BANK NATIONAL ASSOICATION |
Ladder |
| 4483415, |
May 18 1981 |
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Folding stepladder |
| 4520896, |
May 18 1981 |
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Foldable ladder |
| 4542874, |
Feb 18 1982 |
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Bracket for a work platform |
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Jun 29 1984 |
Stanley E., Hawkins |
Ladder apparatus |
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Apr 30 1986 |
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Safety ladder foot |
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Feb 13 1987 |
Vernon M., Vanden Hoek |
Extension ladder with auxiliary extension leg and supporting legs |
| 475935, |
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| 4798262, |
Sep 12 1986 |
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Tripodal support |
| 4807720, |
Jan 15 1988 |
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Ladder leveling attachment |
| 4899849, |
Dec 05 1988 |
NEW RAC CORP ; REPUBLIC ACCEPTANCE CORPORATION |
Ladder stabilizer |
| 4949809, |
Dec 07 1989 |
NEW RAC CORP ; REPUBLIC ACCEPTANCE CORPORATION |
Extendable pole locking mechanism for ladder stabilizer |
| 4971167, |
Nov 20 1989 |
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Ladder support apparatus |
| 5033584, |
Mar 02 1990 |
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All-purpose ladder |
| 5086876, |
Apr 26 1991 |
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Foot actuated ladder brace |
| 5112043, |
Oct 03 1990 |
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Physical therapy apparatus |
| 515783, |
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| 5165501, |
Jul 25 1991 |
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Ladder support attachment |
| 5267631, |
Sep 03 1992 |
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Scaffold stabilizer apparatus |
| 5335754, |
Jul 22 1993 |
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Self-levelling ladder |
| 5341899, |
Feb 03 1994 |
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Anti-skid and leveling device for ladders |
| 5370204, |
Nov 16 1992 |
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Collapsible ladder for automotive painting |
| 5423397, |
Aug 01 1994 |
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Ladder stabilizer |
| 5507364, |
Jul 14 1993 |
LAZY-LEVELER, COMPANY, L L C |
Ladder leveler |
| 5522473, |
Jan 11 1995 |
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Ladder stabilizing device |
| 5551529, |
Nov 21 1994 |
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Ladder stabilizer |
| 5590739, |
Nov 01 1994 |
TIMMERMANN, TIMM J |
Adjustable extension stepladder |
| 6019191, |
Feb 26 1999 |
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Ladder support system |
| 6382353, |
Aug 14 1998 |
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Slip prevention device for ladders |
| 6450290, |
Jun 05 2000 |
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Folding ladder |
| 6533071, |
Dec 29 2000 |
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Ladder with incorporated stabilizers |
| 6595326, |
May 01 2002 |
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Ladder leveling device |
| 6688426, |
Mar 02 2002 |
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Wheel extension and lift device for ladders |
| 6948591, |
Dec 12 2003 |
BLACK ADDA PTY LTD |
Support apparatus or accessory for a ladder |
| 6959785, |
Oct 24 2003 |
|
Stabilizing system for ladders and scaffolding |
| 7017711, |
Oct 23 2002 |
|
Method for extending the leg of a ladder and apparatus therefor |
| 7163084, |
Jun 07 2005 |
|
Adjustable ladder stabilizer |
| 7293630, |
May 10 2006 |
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Ladder stabilization device |
| 7487859, |
Sep 14 2005 |
|
Combination hand truck ladder |
| 799782, |
|
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|
| 8002084, |
Mar 18 2009 |
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Stepladder |
| 8127890, |
Apr 10 2007 |
DOREL HOME FURNISHINGS, INC |
Flat-fold step stool |
| 8365865, |
Mar 03 2009 |
WING ENTERPRISES, INCORPORATED |
Adjustable ladders and related methods |
| 840365, |
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| 8640827, |
Jun 04 2010 |
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Adjustable scaffold base |
| 886737, |
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| 20010015303, |
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| 20060272899, |
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| 20070181370, |
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| 20080000720, |
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| 20090045013, |
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| 20090107765, |
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| 20100147623, |
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| 20110067954, |
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|
| D295222, |
Jul 20 1983 |
|
Ladder |
| D413681, |
Jun 10 1998 |
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Scaffold unit |
| D565745, |
Jun 09 2006 |
DOREL HOME FURNISHINGS, INC |
Step stool |
| D650915, |
Oct 20 2010 |
LOUISVILLE LADDER INC. |
Brace for a step of a stepladder |
| GB2099060, |
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| GB2146688, |
|
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| GB2166793, |
|
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|
| GB2218451, |
|
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