Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4478372 | Bypass feed apparatus | Dennis H. Plowell | 1984-10-23 |
| 4317718 | Glass separation apparatus | — | 1982-03-02 |
| 4313543 | Multi-size materials separator | — | 1982-02-02 |
| 4248700 | Transit materials separator | Bela M. Fabuss | 1981-02-03 |
| 4226704 | Collector discharge apparatus | Michael R. Grubbs, Eugene J. Coulombe, William J. Paxson | 1980-10-07 |
| 4210527 | Twin air classifier system | William J. Paxson, Stewart B. Olson | 1980-07-01 |
| 4194633 | Adjustable conveyor | William J. Paxson, Charles Christensen | 1980-03-25 |