U.S. patent number D380,658 [Application Number D/037,587] was granted by the patent office on 1997-07-08 for screwdriver power tool. This patent grant is currently assigned to Ingersoll-Rand Company. Invention is credited to Robert H. Bruno, Mutsuo Ujiie, Mont L. Wilkes.
United States Patent | D380,658 |
Bruno , et al. | July 8, 1997 |
Inventors: | Bruno; Robert H. (Avon, CT), Ujiie; Mutsuo (Chiba, JP), Wilkes; Mont L. (Taylor, TX) |
---|---|
Assignee: | Ingersoll-Rand Company
(Woodcliff Lake, NJ) |
Appl. No.: | D/037,587 |
Filed: | April 17, 1995 |
Current U.S. Class: | D8/61; D24/146 |
Current International Class: | 0801 |
Field of Search: | ;D8/61,64,67,68,82 ;81/57,57.11,57.14,469,474 ;173/69,70,170 ;144/218,150 ;D24/146 |
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D290750 | July 1987 | DiCarlo et al. |
D293073 | December 1987 | Kurihara et al. |
D323275 | January 1992 | Sasaki et al. |
D343344 | January 1994 | Chapin |
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