Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5860668 | Semitrailer having an extendible dolly | Harold L. Hull | 1999-01-19 |
| 5116107 | Pneumatic braking system for tractor and trailer | Harold L. Hull | 1992-05-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5860668 | Semitrailer having an extendible dolly | Harold L. Hull | 1999-01-19 |
| 5116107 | Pneumatic braking system for tractor and trailer | Harold L. Hull | 1992-05-26 |