Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5823481 | Method of transferring control of a railway vehicle in a communication based signaling system | — | 1998-10-20 |
| 5785283 | System and method for communicating operational status of a railway wayside to a locomotive cab | Michael J. Ehrenberger, Randall S. Mecca, Christopher Harper, Jack I. Wilson | 1998-07-28 |