U.S. patent number D323,301 [Application Number 07/305,492] was granted by the patent office on 1992-01-21 for rotating axis marking unit for golf ball. Invention is credited to Tzu-Keng Cheng.
United States Patent | D323,301 |
Cheng | January 21, 1992 |
Inventors: | Cheng; Tzu-Keng (Chung-Ho City, Taipei, TW) |
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Appl. No.: | 07/305,492 |
Filed: | February 2, 1989 |
Current U.S. Class: | D10/82; D10/46; D21/794 |
Field of Search: | ;D10/46,82,114,83 ;D21/234 ;73/65 |
D88366 | November 1932 | Moore |
D301554 | June 1989 | Ogawa |
4111038 | September 1978 | Olson et al. |
4546644 | October 1985 | Beny et al. |
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