Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7940016 | Regenerative braking methods for a hybrid locomotive | Frank Wegner Donnelly, John D. Watson, Ronald B. Bailey | 2011-05-10 |
| 7906862 | Multiple prime power source locomotive control | Frank Wegner Donnelly, Bruce Wolff, John D. Watson | 2011-03-15 |