Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6454098 | Mechanical-pneumatic device to meter, condition, and classify chaffy seed | Chester L. Dewald | 2002-09-24 |
| 5542612 | Apparatus for dehulling grass seed | — | 1996-08-06 |
| 5152234 | Chaffy seed drill with torsionally responsive transverse frame | — | 1992-10-06 |
| 4933072 | Material classifier | — | 1990-06-12 |
| 4533469 | Grass seed from stem remover | — | 1985-08-06 |
| 4505196 | Sonic seed dehulling system | — | 1985-03-19 |
| 4385871 | Wind driven air pump | — | 1983-05-31 |
| 4373322 | Flail-vacuum seed harvester | — | 1983-02-15 |