Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5152545 | Trailer tow bar lift mechanism | Stephen B. Hupperts, T. Paul Gleeson | 1992-10-06 |
| 5131673 | Palletized load system trailer with automatic flatrack lockdown device | Paul J. Gleeson, Stephen B. Hupperts | 1992-07-21 |