Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5485834 | Manually tunable, closed-circuit underwater breathing apparatus | Donald D. Joye, William H. Mints, John R. Clarke | 1996-01-23 |
| 5315988 | Reactive, closed-circuit underwater breathing apparatus | John R. Clarke, Donald D. Joye, Neal Carlson | 1994-05-31 |