Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851617 | Device for mounting third rail engaging equipment on railway trucks | Richard B. Polley | 1989-07-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851617 | Device for mounting third rail engaging equipment on railway trucks | Richard B. Polley | 1989-07-25 |