Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6948450 | Scraper for animal stalls | — | 2005-09-27 |
| 6446298 | Scraper for animal stalls | Leon D. Johnson | 2002-09-10 |
| 5369223 | Apparatus for weighing and processing materials | Monte W. Haugland | 1994-11-29 |