Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6595669 | Vehicular warning light having less apparent color when not energized | Robert E. Kreutzer, Dennis A. Dohogne, Kelly J. Kyriakos, Michael W. Tobin | 2003-07-22 |
| 6585399 | Vehicular warning light having a dichroic element | Robert E. Kreutzer, Dennis A. Dohogne | 2003-07-01 |
| 6582112 | Vehicular warning light with two or more dichroic elements | Robert E. Kreutzer, Dennis A. Dohogne | 2003-06-24 |
| D476253 | Light bar | David M. Dietrich, Robert E. Kreutzer | 2003-06-24 |