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The ornamental design for an optical instrument, as shown and described.
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FIG. 1 is a front perspective view of an optical instrument according to the invention.
FIG. 2 is a left side elevational view of the instrument.
FIG. 3 is a right side elevational view of the instrument.
FIG. 4 is a rear elevational view of the instrument.
FIG. 5 is a front elevational view of the instrument.
FIG. 6 is a top plan view of the instrument; and,
FIG. 7 is a bottom plan view of the instrument.
In the above drawings, any portions shown in broken lines do not form a part of the invention.
Waldron, Michael E., Marshall, James D., Sergyeyenko, Oleksiy P.
| Patent | Priority | Assignee | Title |
| Patent | Priority | Assignee | Title |
| 6577388, | Dec 22 2000 | Stabila-Messgeräte Gustav Ullrich GmbH | Laser level with protective housing |
| D475938, | Jul 09 2002 | Black & Decker Inc | Laser level |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Apr 25 2003 | Black & Decker Inc. | (assignment on the face of the patent) | / | |||
| Jun 06 2003 | MARSHALL, JAMES D | Black & Decker Inc | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 013895 | /0787 | |
| Jun 06 2003 | SERGYEYENKO, OLEKSIY P | Black & Decker Inc | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 013895 | /0787 | |
| Jun 07 2003 | WALDRON, MICHAEL E | Black & Decker Inc | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 013895 | /0787 |
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