Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9150228 | Track circuit providing enhanced broken rail detection | — | 2015-10-06 |
| 6655639 | Broken rail detector for communications-based train control and positive train control applications | — | 2003-12-02 |
| 6381506 | Fail-safe microprocessor-based control and monitoring of electrical devices | — | 2002-04-30 |