Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D442106 | Directional traffic signal light bar | Paul L. Stein, Robert E. Kreutzer, Timothy B. Murray | 2001-05-15 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D442106 | Directional traffic signal light bar | Paul L. Stein, Robert E. Kreutzer, Timothy B. Murray | 2001-05-15 |