Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7984822 | Kiln lid lift apparatus | Michael D. Kelly | 2011-07-26 |
| 7944081 | Multi-power source locomotive control method and system | Frank Wegner Donnelly, Bruce Wolff | 2011-05-17 |
| 7940016 | Regenerative braking methods for a hybrid locomotive | Frank Wegner Donnelly, Ronald B. Bailey, Andrew Tarnow | 2011-05-10 |
| 7906862 | Multiple prime power source locomotive control | Frank Wegner Donnelly, Andrew Tarnow, Bruce Wolff | 2011-03-15 |