Hackenberg; James A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hackenberg; James A..The latest application filed is for "spherical impact putter-face system".
- Hackenberg; James A. - Easley SC
- Hackenberg; James A. - Edgartown MA
- Hackenberg; James A. - La Quinta CA
| Patent | Date |
|---|---|
| Spherical Impact Putter-Face System App 20130331197 - Hackenberg; James A. | 2013-12-12 |
| Swing trainer Grant 8,360,896 - Hackenberg January 29, 2 | 2013-01-29 |
| Swing Trainer App 20120178552 - Hackenberg; James A. | 2012-07-12 |
| Sports activity swing trainer Grant 8,142,305 - Hackenberg March 27, 2 | 2012-03-27 |
| Sports Activity Swing Trainer App 20120052976 - Hackenberg; James A. | 2012-03-01 |
| Golf swing trainer having balanced center of mass Grant 7,785,211 - Hackenberg August 31, 2 | 2010-08-31 |
| Golf swing trainer having balanced center of mass App 20090082124 - Hackenberg; James A. | 2009-03-26 |
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