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The ornamental design for an optical focuser, as shown. |
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FIG. 1 is a top plan view of the invented optical focuser;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a rear elevational view thereof; and,
FIG. 6 is a bottom plan view thereof.
McWilliams, Rick, Burr, James D.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Oct 12 1992 | MC WILLIAMS, RICK | BURR, JAMES D | ASSIGNMENT OF ASSIGNORS INTEREST | 006320 | /0261 | |
| Oct 16 1992 | James D., Burr | (assignment on the face of the patent) | / |
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