Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988100 | Tennis racket with separable head and handle assembly | Norbert J. Stein, Claude A. S. Hamrick | 1991-01-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988100 | Tennis racket with separable head and handle assembly | Norbert J. Stein, Claude A. S. Hamrick | 1991-01-29 |