Del Principe; Robert M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Del Principe; Robert M..The latest application filed is for "electronic football game".
- Del Principe; Robert M. - Hawthorne CA
| Patent | Date |
|---|---|
| Electronic football game Grant 4,422,639 - Del Principe , et al. December 27, 1 | 1983-12-27 |
| Electronic game using phototransducer Grant 4,403,777 - Del Principe , et al. September 13, 1 | 1983-09-13 |
| Electronic baseball game Grant 4,372,557 - Del Principe , et al. February 8, 1 | 1983-02-08 |
| Housing for electronic game Grant D266,935 - Del Principe , et al. November 16, 1 | 1982-11-16 |
| Electronic card game simulator Grant 4,314,336 - Bernstein , et al. February 2, 1 | 1982-02-02 |
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