U.S. patent number D392,297 [Application Number D/058,212] was granted by the patent office on 1998-03-17 for hole saw. This patent grant is currently assigned to Credo Tool Company. Invention is credited to David T. Brutscher.
United States Patent | D392,297 |
Brutscher | * March 17, 1998 |
Inventors: | Brutscher; David T. (Louisville, KY) |
---|---|
Assignee: | Credo Tool Company (Woodburn,
OR) |
[*] Notice: | The portion of the term of this patent subsequent to March 10, 2012 has been disclaimed. |
Appl. No.: | D/058,212 |
Filed: | August 9, 1996 |
Current U.S. Class: | D15/139 |
Current International Class: | 1509 |
Field of Search: | ;D8/70 ;D15/138,139 ;408/200-225 |
3374696 | March 1968 | Treuathan |
5435672 | July 1995 | Hall et al. |
5597274 | January 1997 | Behner |
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