Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12122495 | Underwater watercraft | — | 2024-10-22 |
| 11691706 | Underwater watercraft | — | 2023-07-04 |
| 11021222 | Underwater watercraft | — | 2021-06-01 |
| 10000264 | Underwater watercraft | — | 2018-06-19 |
| 8656853 | Sealable dome assembly | William Kohnen | 2014-02-25 |
| 6321676 | Underwater craft having sealed and inflatable buoyancy chambers | William Kohnen | 2001-11-27 |