Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6140787 | Method and apparatus for controlling a work implement | David Lokhorst, James David Fedoruk | 2000-10-31 |
| 6025686 | Method and system for controlling movement of a digging dipper | Francis G. Wickert, Shu-Chieh Chang, David Lokhorst, Bryan D. Roy | 2000-02-15 |