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Patent
D304612
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Priority
Jan 12 1987
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Filed
Jan 12 1987
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Issued
Nov 14 1989
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Expiry
Nov 14 2003
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Assg.orig
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Entity
unknown
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11
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7
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n/a
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The ornamental design for a laser smoke particulate/odor filter unit for use in surgical environments, as shown and described.
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FIG. 1 is a perspective view of a laser smoke particulate/odor filter unit
for use in surgical environments showing the new design;
FIG. 2 is a top plan view;
FIG. 3 is a bottom plan view;
FIG. 4 is a front elevational view, the rear being substantially a mirror
image thereof.
Stackhouse, Wyman H., Williamson, Ian M.
Patent |
Priority |
Assignee |
Title |
6370695, |
Jan 16 1998 |
Depuy Orthopaedics, Inc. |
Head gear apparatus |
6391102, |
Mar 21 2000 |
MICROTEK MEDICAL, INC |
Air filtration system with filter efficiency management |
6393617, |
Jan 16 1998 |
Depuy Orthopaedics, Inc. |
Head gear apparatus |
6513168, |
Jan 16 1998 |
Depuy Orthopaedics, Inc. |
Head gear apparatus |
6711748, |
Jan 16 1998 |
DEPUY SYNTHES PRODUCTS, INC |
Head gear apparatus having movably mounted fan |
6990691, |
Jul 18 2003 |
DePuy Products, Inc.; DEPUY PRODUCTS, INC |
Head gear apparatus |
7200873, |
Jul 18 2003 |
DePuy Products, Inc. |
Head gear apparatus having improved air flow arrangement |
7937779, |
Jul 18 2003 |
DePuy Products |
Head gear apparatus having improved air flow arrangement |
D959601, |
May 30 2020 |
|
Precipitate infusion filter |
ER155, |
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ER7221, |
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jan 09 1987 | STACKHOUSE, WYMAN H | W STACKHOUSE ASSOCIATES, INC , 150 SIERRA STREET, A CORP OF CA | ASSIGNMENT OF ASSIGNORS INTEREST | 004659 | /0571 |
pdf |
Jan 09 1987 | WILLIAMSON, IAN M | W STACKHOUSE ASSOCIATES, INC , 150 SIERRA STREET, A CORP OF CA | ASSIGNMENT OF ASSIGNORS INTEREST | 004659 | /0571 |
pdf |
Jan 12 1987 | | W. Stackhouse Associates, Inc. | (assignment on the face of the patent) | | / |
Dec 29 1988 | W STACKHOUSE ASSOCIATES, INC , A CA CORP | STACKHOUSE | ASSIGNMENT OF ASSIGNORS INTEREST | 005024 | /0185 |
pdf |
Dec 29 1988 | W STACKHOUSE ASSOCIATES, INC , A CA CORP | STACKHOUSE, WYMAN | ASSIGNMENT OF ASSIGNORS INTEREST | 005024 | /0185 |
pdf |
Dec 29 1988 | STACKHOUSE, WYMAN | STACK HOLDINGS, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 005156 | /0628 |
pdf |
Dec 29 1988 | STACKHOUSE, MILDRED | STACK HOLDINGS, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 005156 | /0628 |
pdf |
Dec 08 1994 | STACKHOUSE, WYMAN H | STACKHOUSE, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007251 | /0238 |
pdf |
Dec 08 1994 | WILLIAMSON, IAN M | STACKHOUSE, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007251 | /0238 |
pdf |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a