Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6241450 | Load supporting assembly for a trailer having front and rear pivotal platform sections movably interconnected by dual actuation linkages | — | 2001-06-05 |
| 5620111 | Distortion-resistant generator support base and storage tank assembly | — | 1997-04-15 |
| 4838753 | Truck tractor fifth wheel-mounted lifting and towing unit | Raymond G. Martin | 1989-06-13 |
| 4708358 | Disabled truck tractor recovery unit | Raymond G. Martin | 1987-11-24 |
| 4627633 | Trailer hitch uncouple detecting and signaling apparatus | Raymond G. Martin | 1986-12-09 |
| 4281950 | Wheelbarrow transport device | Maurice E. Lehman | 1981-08-04 |