U.S. patent number D540,646 [Application Number D/236,688] was granted by the patent office on 2007-04-17 for hammer. This patent grant is currently assigned to Estwing Manufacturing Company. Invention is credited to Robert H. Youngren.
United States Patent | D540,646 |
Youngren | April 17, 2007 |
Inventors: | Youngren; Robert H. (Rockford, IL) |
---|---|
Assignee: | Estwing Manufacturing Company
(Rockford, IL) |
Appl. No.: | D/236,688 |
Filed: | August 19, 2005 |
Application Number | Filing Date | Patent Number | Issue Date | ||
---|---|---|---|---|---|
29204735 | May 3, 2004 | D521342 | |||
Current U.S. Class: | D8/78 |
Current International Class: | 0802 |
Field of Search: | ;D8/75,76,77,78,79,80,88,89 ;81/20,21,22,23,24,25 ;7/143,146 |
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