U.S. patent number D646,667 [Application Number D/360,052] was granted by the patent office on 2011-10-11 for portable audio converter. Invention is credited to Douglas T. Donegain.
United States Patent | D646,667 |
Donegain | October 11, 2011 |
Inventors: | Donegain; Douglas T. (Mastic, NY) |
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Appl. No.: | D/360,052 |
Filed: | April 20, 2010 |
Current U.S. Class: | D14/217; D14/203.3 |
Current International Class: | 1403 |
Field of Search: | ;D14/137,155,168,170,171,188,189,193-198,203.1-203.8,204,208,209.1,210,212,214,217,496 ;D10/2 ;312/7.1 ;369/6-12 ;370/342-344 ;455/90.1-90.3,344-355 |
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