Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4204681 | Game ball racket wherein certain racket components are structurally integrated with the racket frame by the string with which the racket is strung | Roger I. Sassin, Drew J. Yuhas | 1980-05-27 |