Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851617 | Device for mounting third rail engaging equipment on railway trucks | Richard B. Polley | 1989-07-25 |
| 4771529 | Apparatus for tramming railway trucks | Keith L. Jackson, Richard B. Polley | 1988-09-20 |
| 4760799 | Lightweight railway vehicle truck | Keith L. Jackson, Richard B. Polley | 1988-08-02 |
| 4554875 | Pedestal tie bar arrangement | Kenneth E. Spencer | 1985-11-26 |
| 4526108 | Means for supporting third rail collector gear and the like on inside bearing railway trucks | Kenneth E. Spencer | 1985-07-02 |
| 4429637 | Railway vehicle truck | Keith L. Jackson, John L. Schauster | 1984-02-07 |