Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11871234 | Secure vehicle to vehicle PTC communication | Rebecca W. Dreasher, Adam Hausmann, Matthew Vrba, Edward J. Kuchar, James G. Lucas +18 more | 2024-01-09 |
| 11527151 | System and method for monitoring traffic control devices | Jerrid D. Chapman, Francois P. Pretorius | 2022-12-13 |
| 11208130 | Method and apparatus to improve unmonitored switch position reporting | Jeffrey D. Kernwein, Jerrid D. Chapman, Sathya Vagheeswar Venkatasubramanian | 2021-12-28 |
| 11176811 | System and method for monitoring traffic control devices | Jerrid D. Chapman, Francois P. Pretorius | 2021-11-16 |