Maroth; Sybil
Patent Applications and Registrations
Patent applications and USPTO patent grants for Maroth; Sybil.The latest application filed is for "swing force indicator for a playing piece of sports equipment".
- Maroth; Sybil - Boca Raton FL
| Patent | Date |
|---|---|
| Swing force indicator for a playing piece of sports equipment Grant 4,684,133 - Maroth August 4, 1 | 1987-08-04 |
| Swing force indicator for playing piece of sports equipment Grant 4,363,488 - Maroth , et al. * December 14, 1 | 1982-12-14 |
| Golf club swing indicator Grant 4,270,753 - Maroth , et al. June 2, 1 | 1981-06-02 |
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