Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5447204 | Bulldozer assembly with angle, tilt and pitch control | David J. Balzer, Darryl J. Brincks, Robert L. Isaia, Kent D. Smith | 1995-09-05 |
| RE31642 | Angle and tilt implement assembly | James A. Olthoff | 1984-08-07 |
| 4364439 | Implement assembly with pivot connection | — | 1982-12-21 |
| 4221267 | Angle and tilt implement assembly | James A. Olthoff | 1980-09-09 |