Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821665 | Submersible ROV for cleaning and inspecting metal | Brian P. Matthias, Richard C. Mursinna | 1989-04-18 |
| 4318349 | Railway car end doors | — | 1982-03-09 |
| 4317415 | Railway car end doors | Thomas H. Watson, Robert L. Barkhimer | 1982-03-02 |
| 4287833 | Auto carrier railway car | David J. Roldness, Thomas H. Watson | 1981-09-08 |