Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6811502 | Racquet with elongated peripheral main string segments and enlarged sweet spot | Po-Jen Cheng, William D. Severa, Gerald J. LeVault | 2004-11-02 |
| 6683236 | One piece composite guitar body | Stephen J. Davis, C. Malcolm Bash, Peter J. C. Chou | 2004-01-27 |