Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6062994 | Reinforced racquet with flat string bed | Ronald Alan Grimes, Rafael G. Filippini | 2000-05-16 |
| 5919104 | Long string racquets, particularly for racquetball | Ronald Alan Grimes, Todd Colburn | 1999-07-06 |
| RE34067 | Racquetball racquet with increased hitting area improved racquetball racquet construction | Steven M. Thompson | 1992-09-15 |
| RE34068 | Racquetball raquet with increased hitting area | Steven M. Thompson | 1992-09-15 |
| 4684131 | Graphite composite racquet with aramid core | — | 1987-08-04 |
| D290633 | Racquetball racquet | Stephen Michael Thompson | 1987-06-30 |
| D290487 | Racquetball racquet | Stephen Michael Thompson | 1987-06-23 |
| 4618148 | Racquetball racquet with increased hitting area | Steven M. Thompson | 1986-10-21 |
| 4579343 | Graphite composite racquet | — | 1986-04-01 |
| 4561655 | Tubular steel racquet frame having varying cross-section | — | 1985-12-31 |
| 4531738 | Racquetball racquet with increased hitting area | Steven M. Thompson | 1985-07-30 |