U.S. patent number D588,111 [Application Number D/300,376] was granted by the patent office on 2009-03-10 for headphone. This patent grant is currently assigned to Sony Corporation. Invention is credited to Jun Komiyama.
United States Patent | D588,111 |
Komiyama | March 10, 2009 |
Inventors: | Komiyama; Jun (Tokyo, JP) |
---|---|
Assignee: | Sony Corporation (Tokyo,
JP) |
Appl. No.: | D/300,376 |
Filed: | March 20, 2008 |
Oct 15, 2007 [JP] | D2007-028164 | |||
Current U.S. Class: | D14/223 |
Current International Class: | 1401 |
Field of Search: | ;D14/205,206,223,188,192 ;D29/112 ;2/209 ;181/129,130,135,137 ;379/430,431,433.01 ;381/379,380,381,322 ;455/351,565,344 ;D24/106,110,174 ;128/866 |
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