Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11821318 | Cam machine with adjustment mechanism | — | 2023-11-21 |
| 10589278 | Wear cap for an earth working roll | Erik L. Johnson, Stephen M. Lafond, Cameron R. Leedham | 2020-03-17 |
| 9243617 | Cam engine | — | 2016-01-26 |
| 7793623 | Piston cam engine | — | 2010-09-14 |