Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6241372 | One piece molded component high mounted stop lamp | Richard M. Bloomfield, Deval M. Desai | 2001-06-05 |
| 5386349 | Vehicle headlamp assembly | David R. McMahan, Paul D. Van Duyn | 1995-01-31 |
| 5253154 | Headlamp leveling arrangement | David R. McMahan, William E. Nagengast, Terry L. Coombs, Bradley A. Merrill, Jan A. Wisler | 1993-10-12 |