U.S. patent number D391,531 [Application Number D/062,983] was granted by the patent office on 1998-03-03 for baby walker. This patent grant is currently assigned to Hop Lee Cheong Industrial Company Limited. Invention is credited to Kai-Shun Mak.
United States Patent | D391,531 |
Mak | March 3, 1998 |
Inventors: | Mak; Kai-Shun (Kwai Chung, HK) |
---|---|
Assignee: | Hop Lee Cheong Industrial Company
Limited (Hong Kong, HK) |
Appl. No.: | D/062,983 |
Filed: | September 25, 1996 |
Current U.S. Class: | D12/130; D6/339 |
Current International Class: | 1212 |
Field of Search: | ;D12/128,129,130 ;280/30,643,648,647,642,37 ;D21/78,59 ;D6/339 |
D375283 | November 1996 | Lu |
4872692 | October 1989 | Steenburg |
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