Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5107773 | Railway trucks | Richard A. Daley, Wolfgang Reimann | 1992-04-28 |
| 4911284 | Whisker driven conveyor system | Clyde R. Weihe | 1990-03-27 |
| 4363277 | Stabilizing high speed railway truck safety device | Charles R. Thompson | 1982-12-14 |