Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6304089 | Parallel termination apparatus and method for ground-check monitors | Rodney J. Paydli, Michael P. Vangool, Joseph J. Dudiak | 2001-10-16 |
| 4247870 | Highway premarking guidance system | Lorne G. Gabel, Thomas G. Kirk | 1981-01-27 |