Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4719721 | Conveyor bed assembly and vacuum platen | — | 1988-01-19 |
| 4640056 | Vertically self-centering feed assembly | — | 1987-02-03 |
| 4635405 | Continuous arcuate feed assembly | — | 1987-01-13 |
| 4621459 | Segmented platen with diaphragm cylinder control | Eugene C. David, Dale Boehne | 1986-11-11 |
| 4569274 | Single spring fluid cylinder with motion buffer | — | 1986-02-11 |
| 4527359 | Segmented platen with diaphragm cylinder control | Eugene C. David, Dale Boehne | 1985-07-09 |
| 4512110 | Endless abrasive belts | — | 1985-04-23 |
| 4481868 | Fluid cylinder with motion buffered ram assembly | — | 1984-11-13 |