Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5180274 | Wheel handling apparatus | David T. Murphy | 1993-01-19 |
| 5143507 | Wheel handling apparatus | David T. Murphy | 1992-09-01 |
| 5061000 | Rack for pickup truck | David T. Murphy | 1991-10-29 |
| D320617 | Tire spreader | David T. Murphy | 1991-10-08 |
| D318447 | Pickup truck rack | David T. Murphy | 1991-07-23 |
| 5005892 | Rack for body of pickup truck | David T. Murphy | 1991-04-09 |