Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11920314 | Bi-directional fish pass helix | Jerry L. Straalsund | 2024-03-05 |
| 11396885 | Screw systems | Jerry L. Straalsund, Nicholas Z. Hertelendy | 2022-07-26 |
| 10851799 | Screw systems | Jerry L. Straalsund, Nicholas Z. Hertelendy | 2020-12-01 |