Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5947116 | Underwater breathing apparatus with pressurized snorkel | Dana L. Ruehlman | 1999-09-07 |
| 5580094 | In-line skate walking guard | Dana L. Ruehlman | 1996-12-03 |
| 5360001 | Hyperbaric chamber closure means | Lance Brill | 1994-11-01 |