U.S. patent number D450,356 [Application Number D/136,676] was granted by the patent office on 2001-11-13 for puzzle game having ten shiftable blocks. Invention is credited to Tan Bong Ling.
United States Patent | D450,356 |
Ling | November 13, 2001 |
Inventors: | Ling; Tan Bong (Temburong PA1351, BN) |
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Appl. No.: | D/136,676 |
Filed: | February 6, 2001 |
Current U.S. Class: | D21/478 |
Current International Class: | 2101 |
Field of Search: | ;D21/478 ;273/153S |
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