Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5601158 | Wheel blocking system | Louis F. Klusmeyer, Oscar E. Warren, Ronnie D. Rogers | 1997-02-11 |
| 5497857 | Emergency brake system for wheeled vehicles | Oscar E. Warren, Walter N. Armstrong | 1996-03-12 |
| 5435418 | Emergency brake system for wheeled vehicles | Oscar E. Warren | 1995-07-25 |