Knutson; Gregory
Patent Applications and Registrations
Patent applications and USPTO patent grants for Knutson; Gregory.The latest application filed is for "batting aid device having automatic ball feed".
- Knutson; Gregory - St. Paul MN
| Patent | Date |
|---|---|
| Batting aid device having automatic ball feed Grant 8,113,970 - Mauer , et al. February 14, 2 | 2012-02-14 |
| Adjustable length training bat Grant 7,794,340 - Mauer , et al. September 14, 2 | 2010-09-14 |
| Batting Aid Device Having Automatic Ball Feed App 20090227401 - Mauer; Donald ; et al. | 2009-09-10 |
| Adjustable Length Training Bat App 20070173357 - Mauer; Donald ; et al. | 2007-07-26 |
| Batting aid device App 20060003857 - Mauer; Donald ; et al. | 2006-01-05 |
| Batting aid device Grant 6,974,396 - Mauer , et al. December 13, 2 | 2005-12-13 |
| Batting aid device App 20040087390 - Mauer, Donald ; et al. | 2004-05-06 |
| SEC | 0001630138 | Knutson Gregory |
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