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The ornamental design for portions of an optical instrument, as shown and described.
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FIG. 1 is a front perspective view of portions of an optical instrument according to the invention.
FIG. 2 is a left side elevational view of the portions of the instrument.
FIG. 3 is a rear elevational view of the portions of the instrument.
FIG. 4 is a front elevational view of the portions of the instrument.
FIG. 5 is a top plan view of the portions of the instrument; and,
FIG. 6 is a bottom plan view of the portions of the instrument.
In the above drawings, any portions shown in broken lines do not form a part of the invention. In addition, any views not shown thereof 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 14 2004 | Black & Decker Inc. | (assignment on the face of the patent) | / |
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