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The ornamental design for a siren speaker, as shown and described. |
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FIG. 1 is the perspective view of a siren speaker showing my new design;
FIG. 2 is the front elevational view thereof;
FIG. 3 is the rear elevational view thereof;
FIG. 4 is the left side elevational view thereof;
FIG. 5 is the right side elevational view thereof;
FIG. 6 is the top plan view thereof; and,
FIG. 7 is the bottom plan view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Mar 03 1997 | CHU, CHARLES | PORTMAN SECURITY SYSTEM INTERNATIONAL CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008659 | /0911 | |
| Apr 02 1997 | Portman Security System International Co., Ltd. | (assignment on the face of the patent) | / |
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