Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8038548 | Low lift golf ball | Douglas C. Winfield, Rocky Lee | 2011-10-18 |
| D646736 | Golf ball | Douglas C. Winfield | 2011-10-11 |
| D645528 | Golf ball | Douglas C. Winfield | 2011-09-20 |
| D645529 | Golf ball | Douglas C. Winfield | 2011-09-20 |