Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D559927 | Hoop portions of a sports racquet | William D. Severa, Donald G. Loeffler | 2008-01-15 |
| 7285062 | Racquet having cantilevered hoop portions | William D. Severa, Donald G. Loeffler | 2007-10-23 |
| 6383099 | Tennis racquet | Po-Jen Cheng | 2002-05-07 |
| 6050909 | Game racquet with string slots in inner wall | William D. Severa, Gerald J. LeVault | 2000-04-18 |
| D368749 | Vibration dampener for a game racquet | William D. Severa | 1996-04-09 |