Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825987 | Overhead electric traction systems | — | 1989-05-02 |
| 4679672 | Overhead electric traction system for railways | John Doughty | 1987-07-14 |
| 4598180 | Overhead electric traction systems | Joseph Littler | 1986-07-01 |
| 4398624 | Overhead electric traction systems | — | 1983-08-16 |
| 4350851 | Overhead electric traction systems | — | 1982-09-21 |