Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4452611 | Downdraft channel biomass gasifier | — | 1984-06-05 |
| 4228637 | Compressible material treating device | Samuel D. Parsons, Victor L. Lechtenberg, Donald Anthony Holt | 1980-10-21 |
| 4211061 | Flexible disc crop pick-up device | — | 1980-07-08 |