Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653789 | Multiregulator circuit and lamp | Philip C. Roller, Paul J. Kahanic, Jr. | 2003-11-25 |
| 6623150 | Light-emitting diode combination marker/clearance lamp for trucks and trailers | Philip C. Roller, Chris A. Suckow, Ronald Madison | 2003-09-23 |