U.S. patent number D421,021 [Application Number D/100,654] was granted by the patent office on 2000-02-22 for key matrix. This patent grant is currently assigned to Nokia Mobile Phones Limited. Invention is credited to Alastair Curtis, Frank Nuovo.
United States Patent | D421,021 |
Curtis , et al. | February 22, 2000 |
Inventors: | Curtis; Alastair (Woodland Hills, CA), Nuovo; Frank (Los Angeles, CA) |
---|---|
Assignee: | Nokia Mobile Phones Limited
(Espoo, FI) |
Appl. No.: | D/100,654 |
Filed: | February 12, 1999 |
Current U.S. Class: | D14/247 |
Current International Class: | 1403 |
Field of Search: | ;D14/137,218,138,144,147-148,247-249,140-142,250,240,100,115 ;379/433,434,419,420,428,440,368 ;455/550-575,90 ;D13/168 ;D18/2,7 |
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