Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7600683 | System and method for identifying vehicles and collecting fees for vehicle uses of land-ways, sea-ways and air-ways | — | 2009-10-13 |
| RE40737 | Traffic control signal with displayed time-elapse | — | 2009-06-16 |
| 7237715 | System and method for collecting vehicle road-use and parking fees and for monitoring vehicular regulatory compliance | — | 2007-07-03 |
| 6331824 | Traffic control signal with displayed time-elapse | — | 2001-12-18 |