U.S. patent number D258,704 [Application Number 05/884,260] was granted by the patent office on 1981-03-31 for combined check book cover and calculator. Invention is credited to Hiroshi Kobayashi.
United States Patent | D258,704 |
Kobayashi | March 31, 1981 |
Inventors: | Kobayashi; Hiroshi (San Pedro, CA) |
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Appl. No.: | 05/884,260 |
Filed: | March 7, 1978 |
Current U.S. Class: | D3/249; D18/7; D19/26 |
Current International Class: | D0301 |
Field of Search: | ;D19/26,27 ;D3/56,58 ;D18/2,7 ;150/35,34 |
D241381 | September 1976 | Garnier |
D246205 | October 1977 | Lewis |
D248995 | August 1978 | Hazama et al. |
Home Furnishings Daily, 2/13/75, p. 11, top left.. |
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