U.S. patent number D448,328 [Application Number D/126,203] was granted by the patent office on 2001-09-25 for tire tread. This patent grant is currently assigned to Bridgestone/Firestone Research, Inc.. Invention is credited to Christopher T. Baker, Elizabeth M. Beutler, Keith A. Dumigan, James G. Guspodin.
United States Patent | D448,328 |
Dumigan , et al. | September 25, 2001 |
Inventors: | Dumigan; Keith A. (Akron, OH), Baker; Christopher T. (Peninsula, OH), Guspodin; James G. (Akron, OH), Beutler; Elizabeth M. (Monroe Falls, OH) |
---|---|
Assignee: | Bridgestone/Firestone Research,
Inc. (Akron, OH) |
Appl. No.: | D/126,203 |
Filed: | July 11, 2000 |
Current U.S. Class: | D12/601 |
Current International Class: | 1215 |
Field of Search: | ;D12/134-152 ;152/209.1,209.9,209.12,209.22,209.25 |
D344052 | February 1994 | Attinello et al. |
D369768 | May 1996 | Wakamatsu et al. |
D379955 | June 1997 | Slingluff et al. |
D386727 | November 1997 | Sugimoto |
D398891 | September 1998 | McKisson |
D398892 | September 1998 | Williams |
D400136 | October 1998 | Heinen et al. |
D407678 | April 1999 | Dixon et al. |
D417420 | December 1999 | Villamizar et al. |
Dunlop Graspic HS2 Tire, Tread Design Guide, Dec. 1999, p. 27. 1/3.. |
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