Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9399155 | Optimized thermoplastic racquet | Scott M. Doyle, David A. Vogel, Robert T. Kapheim, Robert T. Thurman | 2016-07-26 |
| 9339699 | Racquet configured with fewer cross strings than main strings | John B. Lyons, Robert T. Kapheim, Robert T. Thurman | 2016-05-17 |