U.S. patent number D446,170 [Application Number D/127,004] was granted by the patent office on 2001-08-07 for tire tread. This patent grant is currently assigned to Michelin Recherche et Technique S.A.. Invention is credited to Ellen MacDonald Williams.
United States Patent | D446,170 |
Williams | August 7, 2001 |
Inventors: | Williams; Ellen MacDonald (Greer, SC) |
---|---|
Assignee: | Michelin Recherche et Technique
S.A. (CH) |
Appl. No.: | D/127,004 |
Filed: | July 26, 2000 |
Current U.S. Class: | D12/550; D12/554; D12/555 |
Current International Class: | 1215 |
Field of Search: | ;D12/134-152 ;152/209.1,209.3,209.9,209.13,209.16,209.28 |
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