Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853883 | Apparatus and method for use in simulating operation and control of a railway train | Stephen K. Nickles, Jim B. Surjaatmadja, Lynn K. Wienck | 1989-08-01 |
| 4827438 | Method and apparatus related to simulating train responses to actual train operating data | Stephen K. Nickles, Lynn K. Wienck | 1989-05-02 |