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| US6683280 | 12 Mar 2003 | 27 Jan 2004 | | Apparatus and method for prosthesis securement |
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| USD322677 | 3 Jul 1989 | 24 Dec 1991 | | Pain reliever for the ear |
| USD391575 | 21 Apr 1995 | 3 Mar 1998 | David Clark Company Inc. | Headset earcup |
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