U.S. patent number D420,048 [Application Number D/101,439] was granted by the patent office on 2000-02-01 for motorized eraser. Invention is credited to Richard May, Anson Sims.
United States Patent | D420,048 |
Sims , et al. | February 1, 2000 |
Inventors: | Sims; Anson (Granada Hills, CA), May; Richard (Manhattan Beach, CA) |
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Appl. No.: | D/101,439 |
Filed: | March 4, 1999 |
Current U.S. Class: | D19/188 |
Current International Class: | 1906 |
Field of Search: | ;D19/35,36,41-51,53,54-58,81-85 ;15/3.53 ;D8/61,62 |
D264547 | May 1982 | Watson |
D324699 | March 1992 | Ohashi |
D332624 | January 1993 | Hollowood |
2079356 | May 1937 | Lukowski |
2487903 | November 1949 | Sturzenegger |
3254629 | June 1966 | Dicorte |
4866319 | September 1989 | Crutchfield |
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