Hamm; Jack L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hamm; Jack L..The latest application filed is for "golf club head".
- Hamm; Jack L. - Englewood CO
- Hamm; Jack L. - Centennial CO
| Patent | Date |
|---|---|
| Golf club head Grant D592,720 - Hamm May 19, 2 | 2009-05-19 |
| Golf club shaft Grant D529,972 - Hamm October 10, 2 | 2006-10-10 |
| Golf club head with a perforated face and cavity back Grant D419,214 - Hamm January 18, 2 | 2000-01-18 |
| Collapsible abdominal exerciser Grant 5,935,049 - Hamm August 10, 1 | 1999-08-10 |
| Golf club head Grant D402,341 - Hamm December 8, 1 | 1998-12-08 |
| Air channeling golf club head Grant 5,807,187 - Hamm September 15, 1 | 1998-09-15 |
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