Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D260981 | Cover for wrecker booms | David F. Humphries | 1981-09-29 |
| D258947 | Cover for wrecker booms | David F. Humphries | 1981-04-21 |
| D256901 | Wrecker body | David F. Humphries | 1980-09-16 |
| 4201399 | Towing apparatus | David F. Humphries | 1980-05-06 |