Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7059923 | Cycloidal propeller | Dirk Jurgens | 2006-06-13 |
| 4389152 | Stiffleg construction for power shovels | — | 1983-06-21 |
| 4249625 | Drive system for crawler propelled machines | — | 1981-02-10 |
| 4221531 | Power shovel having improved front end assembly | George B. Baron, George J. Thompson | 1980-09-09 |