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The ornamental design for a universal acoustic telephone handset interface, as shown and described. |
FIG. 1 is a perspective view of a universal acoustic telephone handset interface in a closed position showing my new design;
FIG. 2 is a top view of the interface in a closed position;
FIG. 3 is a first end view of the interface in a closed position;
FIG. 4 is a second end view of the interface in a closed position;
FIG. 5 is a bottom view of the interface in a closed position;
FIG. 6 is a first side view of the interface in a closed position;
FIG. 7 is a second side view;
FIG. 8 is a top view of the interface in an open, operating position; and,
FIG. 9 is a top view as shown in FIG. 8, with a telephone handset shown in an operating position thereon by means of broken lines for illustrative purposes only.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jan 29 1992 | BUNGARDT, GABRIELE | Plantronics, Inc | ASSIGNMENT OF ASSIGNORS INTEREST | 006010 | /0539 | |
Feb 13 1992 | Plantronics, Inc. | (assignment on the face of the patent) | / |
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