U.S. patent number D485,175 [Application Number D/161,082] was granted by the patent office on 2004-01-13 for cleaner cartridge. This patent grant is currently assigned to Tennant Company. Invention is credited to Bryan L. Christensen, Bruce F. Field, Daniel L. Joynt, Earl Krueger, Joseph K. Krueger.
United States Patent | D485,175 |
Field , et al. | January 13, 2004 |
Inventors: | Field; Bruce F. (Golden Valley, MN), Joynt; Daniel L. (Wyoming, MN), Krueger; Joseph K. (Hopkins, MN), Krueger; Earl (Inver Grove Heights, MN), Christensen; Bryan L. (Dayton, MN) |
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Assignee: | Tennant Company (Minneapolis,
MN) |
Appl. No.: | D/161,082 |
Filed: | May 21, 2002 |
Current U.S. Class: | D9/432 |
Current International Class: | 0903 |
Field of Search: | ;D9/337,338,339,414,416,418,424,432,499 ;206/216,223,233,449,485,494,527,555 ;220/890,908 ;221/22,30,33,303,312R,312C ;229/100 ;15/320 |
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