Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6135396 | System and method for automatic train operation | Russell Whitfield, William L. Matheson, Fred A. Ford, Ernest Peek, Anthony J. Guarino +2 more | 2000-10-24 |
| 6102340 | Broken rail detection system and method | Ernest Peek | 2000-08-15 |
| 5140532 | Digital map generator and display system | Paul B. Beckwith, Kent P. Bascle, Luen C. Chan | 1992-08-18 |
| 4970682 | Digital map generator and display system | Paul B. Beckwith, Kent P. Bascle, Luen C. Chan | 1990-11-13 |