Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5351187 | Automatic debiting parking meter system | — | 1994-09-27 |
| 5347274 | Hazardous waste transport management system | — | 1994-09-13 |
| 5289183 | Traffic monitoring and management method and apparatus | Keith E. Kowal, John Rourke | 1994-02-22 |