Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5676337 | Railway car retarder system | Theo C. Giras, Joseph A. Profeta, Joseph P. Elm | 1997-10-14 |
| 5547151 | Railway switch mechanism | Theo C. Giras, Joseph A. Profeta | 1996-08-20 |