Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8449411 | Racquet handle assembly including a plurality of support members | Ronald R. Rocchi, William D. Severa, Robert T. Kapheim | 2013-05-28 |
| 8323130 | Racquet handle assembly including a plurality of support members | Ronald R. Rocchi, William D. Severa, Robert T. Kapheim | 2012-12-04 |
| 7297080 | Game racquet with separate head and handle portions for reducing vibration | William D. Severa, Po-Jen Cheng, Donald G. Loeffler | 2007-11-20 |
| 6840874 | Game racquet with separate head and handle portions for reducing vibration | William D. Severa, Po-Jen Cheng, Donald G. Loeffler | 2005-01-11 |
| 6811502 | Racquet with elongated peripheral main string segments and enlarged sweet spot | Richard Janes, Po-Jen Cheng, William D. Severa | 2004-11-02 |
| D469487 | Central portion of a game racquet with separate head and handle portions | William D. Severa, Po-Jen Cheng | 2003-01-28 |
| D469488 | Middle region of a game racquet with separate head and handle portions | William D. Severa, Po-Jen Cheng | 2003-01-28 |
| 6050909 | Game racquet with string slots in inner wall | William D. Severa, Willie H. McMillan | 2000-04-18 |