Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362268 | Swim fin | Charles E. Walker | 1994-11-08 |
| 4998499 | Underwater pneumatic horn | — | 1991-03-12 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362268 | Swim fin | Charles E. Walker | 1994-11-08 |
| 4998499 | Underwater pneumatic horn | — | 1991-03-12 |