Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338895 | Belt tensioning apparatus for drive mechanisms | Roy Alvarenga | 2025-06-24 |
| 8210342 | Sweep auger elevator drive wheel | Herman Peter Lepp, Frans Van Meijl, Ronald Gordon Routledge | 2012-07-03 |
| 4875820 | Convertible grain bin sweep unloader | Herman Peter Lepp | 1989-10-24 |