Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481950 | Control lever assembly | Ryan Matthew Lutze | 2002-11-19 |
| 6213244 | Multi function control mechanism | Van E. Waggoner, William Damm Zopf | 2001-04-10 |
| 4424871 | Tilting and angling mechanism for dozer blade | — | 1984-01-10 |