Referenced by|
| US6320960 | 24 Sep 1999 | 20 Nov 2001 | Hello Direct, Inc. | Headset with adjustable earpiece | | US6775390 | 24 Dec 2001 | 10 Aug 2004 | Hello Direct, Inc. | Headset with movable earphones | | USD265557 | 12 Dec 1980 | 27 Jul 1982 | Koss Corporation | Stereo headphone | | USD436095 | 24 Sep 1999 | 9 Jan 2001 | Hello Direct, Inc. | Headset with adjustable earpiece | | USD468722 | 24 Dec 2001 | 14 Jan 2003 | Hello Direct, Inc. | Headset with moveable earphones |
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