U.S. patent number D251,272 [Application Number 05/831,069] was granted by the patent office on 1979-03-06 for electronic calculating machine. This patent grant is currently assigned to Sharp Kabushiki Kaisha. Invention is credited to Shigetoshi Hazama, Matafumi Ikeda, Yoshiaki Kobayashi, Masafumi Yamagami.
United States Patent | D251,272 |
Hazama , et al. | March 6, 1979 |
Inventors: | Hazama; Shigetoshi (Osaka, JP), Ikeda; Matafumi (Osaka, JP), Yamagami; Masafumi (Osaka, JP), Kobayashi; Yoshiaki (Osaka, JP) |
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Assignee: | Sharp Kabushiki Kaisha (Osaka,
JP) |
Appl. No.: | 05/831,069 |
Filed: | September 6, 1977 |
Mar 10, 1977 [JP] | 52-9104 | |||
Current U.S. Class: | D18/7 |
Current International Class: | D1801 |
Field of Search: | ;D64/11B,11C,11R ;D14/42,40,45 ;200/5A ;235/145R |
D229065 | November 1973 | Maeda et al. |
The Office, Oct. 1976, p. 134, Portable Terminal. . Office Products, Apr. 1974, p. 62, Scientific Calculator. . Office Products, May 1975, p. 70-Eight Digit Pocket Calculator.. |
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