U.S. patent number D446,204 [Application Number D/112,020] was granted by the patent office on 2001-08-07 for portion of an audio amplifier. This patent grant is currently assigned to PowerFactor Research. Invention is credited to Carroll W. Smith.
United States Patent | D446,204 |
Smith | August 7, 2001 |
Inventors: | Smith; Carroll W. (Weston, FL) |
---|---|
Assignee: | PowerFactor Research (Sunrise,
FL) |
Appl. No.: | D/112,020 |
Filed: | October 12, 1999 |
Current U.S. Class: | D14/188 |
Current International Class: | 1403 |
Field of Search: | ;D14/124,188,193-198,299 ;312/7.1 ;455/344,347,350,351 |
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D337114 | July 1993 | Mantz |
D343395 | January 1994 | Kakizaki |
D373572 | September 1996 | Ortun |
D379174 | May 1997 | Kornblum et al. |
5285500 | February 1994 | Mantz |
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