U.S. patent number D345,682 [Application Number D/003,348] was granted by the patent office on 1994-04-05 for portable electric screwdriver. This patent grant is currently assigned to Hitachi Koki Company Limited. Invention is credited to Yuichiro Sasaki, Toshiaki Uchida.
United States Patent | D345,682 |
Sasaki , et al. | April 5, 1994 |
Inventors: | Sasaki; Yuichiro (Katsuta, JP), Uchida; Toshiaki (Katsuta, JP) |
---|---|
Assignee: | Hitachi Koki Company Limited
(Tokyo, JP) |
Appl. No.: | D/003,348 |
Filed: | January 7, 1993 |
Current U.S. Class: | D8/68 |
Field of Search: | ;D8/61,68 ;81/54,57.11,57.14 ;173/170 ;408/124,125 |
D295714 | May 1988 | Sasaki et al. |
D320917 | October 1991 | Fushiya et al. |
D329580 | September 1992 | Sasaki et al. |
D339046 | September 1993 | Fushiya et al. |
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