U.S. patent number D439,290 [Application Number D/115,566] was granted by the patent office on 2001-03-20 for weightlifting plate. This patent grant is currently assigned to Iron Grip Barbell Company, Inc.. Invention is credited to Scott J. Frasco, Michael D. Rojas.
United States Patent | D439,290 |
Rojas , et al. | March 20, 2001 |
Inventors: | Rojas; Michael D. (Tustin, CA), Frasco; Scott J. (Huntington Beach, CA) |
---|---|
Assignee: | Iron Grip Barbell Company, Inc.
(Costa Mesa, CA) |
Appl. No.: | D/115,566 |
Filed: | December 16, 1999 |
Current U.S. Class: | D21/681; D21/680 |
Current International Class: | 2102 |
Field of Search: | ;D21/680,681,682,683,684 ;482/104,105,106,107,108,109 |
D278358 | April 1985 | Zwilling |
D354322 | January 1995 | Vodhanel, Jr. |
D355007 | January 1995 | Rojas et al. |
D394685 | May 1998 | Eckmann |
D406183 | February 1999 | Zovich |
D409695 | May 1999 | Rojas et al. |
D421076 | February 2000 | Lincir |
D424140 | May 2000 | Lincir |
5137502 | August 1992 | Anastasi |
5692996 | December 1997 | Widerman |
5853355 | December 1998 | Standish |
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