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The ornamental design for an optical instrument, as shown and described.
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FIG. 1 is a perspective view from the left side of an embodiment of an optical instrument according to the invention.
FIG. 2 is left side elevational view of the embodiment.
FIG. 3 is a right side elevational view of the embodiment.
FIG. 4 is a front elevational view of the embodiment.
FIG. 5 is a rear elevational view of the embodiment.
FIG. 6 is a top plan view of the embodiment; and,
FIG. 7 is a bottom plan view of the embodiment.
In the above drawings, any broken lines are for illustrative purposes only and form no part of the claimed design.
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| Patent | Priority | Assignee | Title |
| D494076, | Jun 02 2003 | Black & Decker Inc | Optical instrument |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Apr 22 2004 | Black & Decker Inc. | (assignment on the face of the patent) | / |
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