U.S. patent number D622,707 [Application Number D/344,952] was granted by the patent office on 2010-08-31 for earphone. This patent grant is currently assigned to Cheng Uei Precision Industry Co., Ltd.. Invention is credited to Chih-Chung Chen, Kun-Wei Tsai.
United States Patent | D622,707 |
Chen , et al. | August 31, 2010 |
Inventors: | Chen; Chih-Chung (Tu-Cheng, TW), Tsai; Kun-Wei (Tu-Cheng, TW) |
---|---|
Assignee: | Cheng Uei Precision Industry Co.,
Ltd. (Tu-Cheng, Taipei Hsien, TW) |
Appl. No.: | D/344,952 |
Filed: | October 6, 2009 |
Current U.S. Class: | D14/223 |
Current International Class: | 1401 |
Field of Search: | ;D14/205,206,223 ;181/129,130,135 ;379/430,420.03,420.04 ;381/380,381 ;455/569.1,575.1 ;D24/174 ;D29/112 |
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