Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5068791 | Distance and angle measurements in a wire guided vehicle | Tim A. Wellman, Willard D. Kaiser, Mark J. Koenig, Richard W. Ridgway, Bobby Lee Walters +1 more | 1991-11-26 |
| 5022496 | Slowdown during staging of a turret stockpicker | Tim A. Wellman | 1991-06-11 |
| 5011363 | Extend and retract control for fork lifts | Walter Conley, III, Ned E. Dammeyer | 1991-04-30 |
| 4499971 | Material handling vehicle having improved chain monitoring | Donald E. Luebrecht | 1985-02-19 |