Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5189425 | Method and apparatus for monitoring vehicular traffic | — | 1993-02-23 |
| 5075680 | Method and apparatus for monitoring vehicular traffic | — | 1991-12-24 |
| 4731508 | Electrographic tough sensor having reduced bow of equipotential field line therein | William A. Gibson, John E. Talmage, Jr. | 1988-03-15 |