Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5235797 | Method of harvesting aquatic plants | Victor V. Sygen, David Jared Burton | 1993-08-17 |
| 5197263 | Method and apparatus for harvesting aquatic plants | Brian J. Midtling, Victor V. Sygen | 1993-03-30 |
| 5161354 | Aquatic plant harvester | Victor V. Sygen, David M. Anderson | 1992-11-10 |