Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10477769 | Drive system for paddle belt conveyor | Zachary Johnson | 2019-11-19 |
| 9790031 | Tubular conveyor with cleated belt | Arthur Stenson | 2017-10-17 |
| 9221616 | Tubular conveyor with cleanout having detachable cover | Arthur Stenson | 2015-12-29 |
| 9181033 | Tubular conveyor with cleated belt | Arthur Stenson | 2015-11-10 |
| 5518076 | Grease applicator for a drill shaft | John F. Holz | 1996-05-21 |
| 5204610 | Long lived dual battery with automatic latching switch | John R. Pierson, Thomas J. Dougherty | 1993-04-20 |
| 5130699 | Digital battery capacity warning device | Michael T. Reher, Bradley N. Koeppel | 1992-07-14 |