Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4926301 | Headlamp assembly | Martin K. Liverance, David R. McMahan | 1990-05-15 |
| 4882660 | Headlamp assembly | Martin K. Liverance, David R. McMahan | 1989-11-21 |
| 4747029 | Headlamp assembly | Martin K. Liverance, David R. McMahan | 1988-05-24 |