Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6425334 | Friction shoe for freight car truck | Robert D. Wronkiewicz | 2002-07-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6425334 | Friction shoe for freight car truck | Robert D. Wronkiewicz | 2002-07-30 |