Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5485834 | Manually tunable, closed-circuit underwater breathing apparatus | William H. Mints, John R. Clarke, Peter Wechgelaer | 1996-01-23 |
| 5315988 | Reactive, closed-circuit underwater breathing apparatus | John R. Clarke, Neal Carlson, Peter Wechgelaer | 1994-05-31 |
| 5299567 | Minimal elastance, closed-circuit underwater breathing apparatus | Neal Carlson | 1994-04-05 |