U.S. patent number D305,443 [Application Number 07/214,697] was granted by the patent office on 1990-01-09 for jump marble race toy. This patent grant is currently assigned to Discovery Toys, Inc.. Invention is credited to Daniel B. Klitsner.
United States Patent | D305,443 |
Klitsner | January 9, 1990 |
Inventors: | Klitsner; Daniel B. (San Francisco, CA) |
---|---|
Assignee: | Discovery Toys, Inc. (Martinez,
CA) |
Appl. No.: | 07/214,697 |
Filed: | July 1, 1988 |
Current U.S. Class: | D21/565 |
Field of Search: | ;D21/7,8,59,143 ;273/153R,156 ;446/168 |
D230291 | February 1974 | Karen |
D290143 | June 1987 | Wichman |
2000808 | May 1935 | Williams |
3502332 | March 1970 | Wolf |
3883137 | May 1975 | Bengtson |
4713038 | December 1987 | Wichman et al. |
Berotoys catalog (two pages).. |
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