U.S. patent number D303,205 [Application Number 07/018,187] was granted by the patent office on 1989-09-05 for battery-operated screwdriver or similar article. This patent grant is currently assigned to Black & Decker Inc.. Invention is credited to Martin P. Gierke, Robert L. Somers.
United States Patent | D303,205 |
Gierke , et al. | September 5, 1989 |
Inventors: | Gierke; Martin P. (Baltimore, MD), Somers; Robert L. (Sparks, MD) |
---|---|
Assignee: | Black & Decker Inc.
(Newark, DE) |
Appl. No.: | 07/018,187 |
Filed: | February 20, 1987 |
Current U.S. Class: | D8/61; D8/82 |
Field of Search: | ;D8/82,83,85,61-70,107 ;81/57.11,57.13,57.14 ;173/170 ;310/50 ;51/17R,17PT |
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3276524 | March 1964 | Falter |
3802518 | April 1974 | Albert |
3832776 | September 1974 | Sawyer |
3935909 | February 1976 | Mabuchi et al. |
4078589 | March 1978 | Miller |
4111269 | September 1978 | Ottestad |
785053 | Aug 1935 | FR | |||
695571 | Dec 1958 | NL | |||
913388 | Dec 1962 | GB | |||
1568952 | Jun 1980 | GB | |||
Skil Operating Guide, Model 2105 Cordless Screwdriver (cover only); publication date unknown. . 1/4" Hex. Dr. Cordless Power Screwdriver, SA-701 Operating Manual. International Consumer Brands, Inc. carton, .COPYRGT.1985.. |
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