U.S. patent number D309,246 [Application Number 06/942,521] was granted by the patent office on 1990-07-17 for screwdriver. This patent grant is currently assigned to Snap-on Tools Corporation. Invention is credited to Mark S. Bakula, Donald J. Caldwell, Steven S. Cascio, Tom S. Severson, Steven R. Wente.
United States Patent | D309,246 |
Cascio , et al. | July 17, 1990 |
Inventors: | Cascio; Steven S. (Kenosha, WI), Caldwell; Donald J. (Milwaukee, WI), Severson; Tom S. (Kenosha, WI), Wente; Steven R. (Kenosha, WI), Bakula; Mark S. (Muskego, WI) |
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Assignee: | Snap-on Tools Corporation
(Kenosha, WI) |
Appl. No.: | 06/942,521 |
Filed: | December 24, 1986 |
Current U.S. Class: | D8/82 |
Field of Search: | ;D8/82-87,70 ;81/436,441,901,460,461,437,177.1,489 ;7/165 |
D143931 | February 1946 | Odlum |
D244747 | June 1977 | Solf |
D256882 | September 1980 | Jansson |
3026920 | March 1962 | York |
3463209 | August 1969 | Podolsky |
2828077 | Jan 1980 | DE | |||
Proto Tool Catalog No. PR120-6902 Feb. 1969, p. 78, Screwdrivers #9604, 9606, 9608/left center of page. . Techni-Tool Catalog .COPYRGT.1984 (No. 28) p. 39 item in lower left of page/"Stubby" Screwdriver.. |
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