U.S. patent number D542,773 [Application Number D/232,457] was granted by the patent office on 2007-05-15 for high fidelity noise excluding earphones with ergonomically designed construction. This patent grant is currently assigned to Etymotic Research, Inc.. Invention is credited to Viorel Drambarean, Andrew J. Haapapuro, Mead C. Killion.
United States Patent | D542,773 |
Drambarean , et al. | May 15, 2007 |
Inventors: | Drambarean; Viorel (Skokie, IL), Haapapuro; Andrew J. (Arlington Heights, IL), Killion; Mead C. (Elk Grove Village, IL) |
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Assignee: | Etymotic Research, Inc. (Elk
Grove Village, IL) |
Appl. No.: | D/232,457 |
Filed: | June 20, 2005 |
Current U.S. Class: | D14/205 |
Current International Class: | 1401 |
Field of Search: | ;D14/192,205,206,223 ;181/128,131,129-130,132,135,137,322,380 ;379/430,431,444 ;381/312,322,328,338,380 ;D24/174,106 ;600/474 |
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