Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4394014 | Tennis racket | — | 1983-07-19 |
| 4348024 | Racket stringing apparatus and method | — | 1982-09-07 |
| 4339131 | Racket stringing device | — | 1982-07-13 |
| 4326713 | Racket stringing apparatus and method | — | 1982-04-27 |
| 4249732 | String pre-stretching apparatus and method for racket stringing machine | — | 1981-02-10 |