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The ornamental design for an portable burglar alarm, as shown and described. |
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FIG. 1 is a left side elevational view of an portable burgler alarm showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan elevational view thereof; and,
FIG. 6 is a bottom plan elevational view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jul 09 1991 | YUEN, JOHN S | John Manufacturing Limited | ASSIGNMENT OF ASSIGNORS INTEREST | 005841 | /0547 | |
| Jul 25 1991 | John Manufacturing Limited | (assignment on the face of the patent) | / |
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