Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4268968 | Railway wheel profilometer and diameter gage | Phillip G. Przybylinski, James J. Schuller | 1981-05-26 |
| 4236458 | Door locking and actuating mechanism for hopper car | — | 1980-12-02 |