Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11442154 | Passive solar identification system for underwater lift bags and flags | Richard Preston Riels | 2022-09-13 |
| 11122785 | System and use method for untethered trap brought to surface by remote control | Richard Preston Riels, Daniel Darwin Asebedo, David Aaron Orsatti, Kevin Erik Rand | 2021-09-21 |
| 10690258 | System and use method for valve controlled by sound | Richard Preston Riels | 2020-06-23 |