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The ornamental design for a stereophone ear plug insert, as shown and described. |
FIG. 1 is a front perspective view of a stereophone ear plug insert showing our new design;
FIG. 2 is a side elevational view thereof, with the opposite side being a mirror image;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom view thereof; and,
FIG. 5 is a front view thereof.
The broken lines shown in all figures are for illustrative environmental purposes only and form no part of the claimed design.
Koss, Michael J., Mlodzikowski, Allan G., Schneider, Jennifer R.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Nov 17 1999 | Koss Corporation | (assignment on the face of the patent) | / | |||
Jul 20 2010 | Koss Corporation | JPMORGAN CHASE BANK, N A | SECURITY AGREEMENT | 025126 | /0203 |
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