Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8612287 | System and method for rail transport of trailers | Douglas J. Miller, Alan O. Parry, Philip Leung, Ed Venslovaitis, Dan Lefebvre +1 more | 2013-12-17 |
| 5617893 | Vacuum relief valve | — | 1997-04-08 |