Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8365876 | Air bladder actuator for railroad car retarder | Robert B. Zimmer, Thomas J. Heyden | 2013-02-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8365876 | Air bladder actuator for railroad car retarder | Robert B. Zimmer, Thomas J. Heyden | 2013-02-05 |