Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5334878 | Inverter control for third rail head end power | Robert G. McGrath | 1994-08-02 |
| 5298842 | Thermal protection for locomotive main traction alternators | Robert G. McGrath | 1994-03-29 |