Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6234921 | Sports racquets with tripod weighting | Stephen J. Davis, Brian J. Blonski | 2001-05-22 |
| 5944624 | Notched, slotted grommet for sports racquet | Stephen J. Davis, William Harvie, Brian J. Blonski | 1999-08-31 |
| 5639086 | Universal stringing machine for sports racquets | Michael Guerzini | 1997-06-17 |