U.S. patent number D643,167 [Application Number D/375,302] was granted by the patent office on 2011-08-09 for laundry ball. This patent grant is currently assigned to Shenzhen Become Biotech Co., Ltd.. Invention is credited to Hongfei Cheng.
United States Patent | D643,167 |
Cheng | August 9, 2011 |
Inventors: | Cheng; Hongfei (Guangdong Province, CN) |
---|---|
Assignee: | Shenzhen Become Biotech Co.,
Ltd. (Guangdong Province, CN) |
Appl. No.: | D/375,302 |
Filed: | September 21, 2010 |
Current U.S. Class: | D32/29.1 |
Current International Class: | 1505 |
Field of Search: | ;D32/25,29.1,30,35 ;68/17R,212,235R ;34/60,380 ;D21/712-713 ;428/138,411 |
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