Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8262513 | Low lift golf ball | David L. Felker, Douglas C. Winfield | 2012-09-11 |
| 8251840 | Low lift golf ball | David L. Felker, Douglas C. Winfield | 2012-08-28 |
| 8246490 | Low lift golf ball | David L. Felker, Douglas C. Winfield | 2012-08-21 |
| 8226502 | Low lift golf ball | David L. Felker, Douglas C. Winfield | 2012-07-24 |
| 8202179 | Low lift golf ball | David L. Felker, Douglas C. Winfield | 2012-06-19 |
| 8202178 | Low lift golf ball | David L. Felker, Douglas C. Winfield | 2012-06-19 |
| 8197361 | Low lift golf ball | David L. Felker, Douglas C. Winfield | 2012-06-12 |
| 8192307 | Low lift golf ball | David L. Felker, Douglas C. Winfield | 2012-06-05 |
| 8192306 | Low lift golf ball | David L. Felker, Douglas C. Winfield | 2012-06-05 |
| 8118320 | Steering mechanism for a push and pull vehicle | — | 2012-02-21 |
| 8038548 | Low lift golf ball | David L. Felker, Douglas C. Winfield | 2011-10-18 |