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The ornamental design for a headphone earpiece, as shown. |
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FIG. 1 is a perspective view of a headphone earpiece emobdying my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a side elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof; and
FIG. 6 is a bottom plan view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jun 11 1976 | Koss Corporation | (assignment on the face of the patent) | / | |||
| Sep 18 1984 | Koss Corporation | PRUDENTIAL INSURANCE COMPANY OF AMERICA, THE | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 004309 | /0508 | |
| Sep 18 1984 | Koss Corporation | PRUDENTIAL INTERFUNDING CORP , | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 004309 | /0508 | |
| Sep 18 1984 | Koss Corporation | M&I MARSHALL & ILSLEY BANK | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 004309 | /0508 | |
| Sep 18 1984 | Koss Corporation | FIRST NATIONAL BANK OF CHICAGO, THE | SECURITY INTEREST SEE DOCUMENT FOR DETAILS | 004309 | /0508 |
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