Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6004177 | Pocket-sized, emergency flotation device with status indicator | Douglas A. Biesecker | 1999-12-21 |
| 5820431 | Deployment mechanism for pocket-sized, emergency flotation device | — | 1998-10-13 |
| 5738557 | Pocket-sized, emergency flotation device | — | 1998-04-14 |