Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338603 | Towed earth moving implement with fixed-winged pitch-adjustable blade assembly | Derek J. Friesen, Sean D. Chevalier | 2025-06-24 |
| 9338944 | Vertical stacking bale accumulator | A. Philip Friesen, Derek J. Friesen | 2016-05-17 |
| 6851908 | Bale accumulator | A. Phil Friesen | 2005-02-08 |