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The ornamental design for a convertible hearing aid/tinnitus masker, as shown and described. |
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FIG. 1 is a perspective view of a convertible hearing aid/tinnitus masker of my new design;
FIG. 2 is a side view thereof;
FIG. 3 is a top view thereof; and,
FIG. 4 is bottom view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jan 05 2000 | auric Horsysteme GmbH & Co. KG | (assignment on the face of the patent) | / | |||
| Feb 11 2000 | BOROWSKY, HANS-DIETER | AURIC HORSYSTEME GMBH & CO KG | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010617 | /0932 |
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