Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6672985 | Independently rotating wheels with planetary drive | I-Chao Chung, Michael E. Johnson | 2004-01-06 |
| 5921356 | Adjustable parking brake integrated with service brake | Theodore H. Stringer, III | 1999-07-13 |
| 4401197 | Drum brake | David J. Bohla | 1983-08-30 |