Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5065958 | Helicopter soft snow landing aid | John M. Stubstad | 1991-11-19 |
| 5062120 | Underwater frazil ice detector | Steven F. Daly | 1991-10-29 |
| 4346612 | Liquid sampler | — | 1982-08-31 |