Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5497299 | Headlamp assembly with hook-in bulb shield | Jan A. Wisler, John M. Luallin, Duane E. Ormes, Randall J. Smith, Ernst K. Werner | 1996-03-05 |
| 5253154 | Headlamp leveling arrangement | David R. McMahan, William E. Nagengast, Bradley A. Merrill, Ronald A. Wheat, Jan A. Wisler | 1993-10-12 |