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The ornamental design for a passive infra red detector, as shown and described. |
FIG. 1 is the front elevational view showing my new design;
FIG. 2 is the rear elevational view thereof;
FIG. 3 is the left side view thereof;
FIG. 4 is the right side view thereof;
FIG. 5 is the top plan view thereof; and,
FIG. 6 is the bottom plan view thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jun 12 1992 | HO, PATRICK TZE-MAN | Std Electronic International Ltd | ASSIGNMENT OF ASSIGNORS INTEREST | 006199 | /0486 | |
Jun 24 1992 | STD Electronic International Ltd. | (assignment on the face of the patent) | / |
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