Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7944081 | Multi-power source locomotive control method and system | John D. Watson, Bruce Wolff | 2011-05-17 |
| 7940016 | Regenerative braking methods for a hybrid locomotive | John D. Watson, Ronald B. Bailey, Andrew Tarnow | 2011-05-10 |
| 7906862 | Multiple prime power source locomotive control | Andrew Tarnow, Bruce Wolff, John D. Watson | 2011-03-15 |