U.S. patent number D249,038 [Application Number 05/726,156] was granted by the patent office on 1978-08-22 for dictating machine. Invention is credited to David K. Walz.
United States Patent | D249,038 |
Walz | August 22, 1978 |
Inventors: | Walz; David K. (Atlanta, GA) |
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Appl. No.: | 05/726,156 |
Filed: | September 24, 1976 |
Current U.S. Class: | D14/154 |
Current International Class: | D1401 |
Field of Search: | ;D14/3,6 ;346/134,138 ;360/79,107,101,134,82 ;274/17,21,2 ;312/50 |
D199189 | September 1964 | Bloom |
D224711 | September 1972 | VAN DE Poel |
D230606 | March 1974 | Wiklund et al. |
D235110 | May 1975 | Walz |
3306989 | February 1967 | Smithberg et al. |
3771164 | November 1973 | Bolick, Jr. |
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