Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4287303 | Production of ethanol | Lars Ehnstrom, Carroll R. Keim | 1981-09-01 |
| 4189377 | Multiple cyclone separator | Aurel J. Fecske, Kjell G. Jacobson | 1980-02-19 |
| 4181535 | Starch production | — | 1980-01-01 |