Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10864418 | Sports paddle with improved head portion | Robert T. Kapheim, Terri R. Graham | 2020-12-15 |
| 9399155 | Optimized thermoplastic racquet | William D. Severa, David A. Vogel, Robert T. Kapheim, Robert T. Thurman | 2016-07-26 |
| 9199135 | Optimized thermoplastic racquet | William D. Severa, David A. Vogel, Robert T. Kapheim, Robert T. Thurman | 2015-12-01 |
| 9192822 | Optimized thermoplastic racquet | William D. Severa, David A. Vogel, Robert T. Kapheim, Robert T. Thurman | 2015-11-24 |
| D689573 | Throat of a racquet | William D. Severa, Robert T. Kapheim, Ronald R. Rocchi, Brad M. Skoryl, Ravi Itiravivong | 2013-09-10 |
| 8282514 | Sports racquet for impacting a ball and facilitating the opening of a cap on a bottle | Robert T. Kapheim, William D. Severa | 2012-10-09 |