Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8480503 | Bowling ball with indicia and method therefor | David Wilbur, Harold Thommen, III, Kevin Keck | 2013-07-09 |
| 8221252 | Bowling ball with indicia and method therefor | David Wilbur, Harold Thommen, III, Kevin Keck | 2012-07-17 |