Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5746136 | Dynamically stable, lightweight railcar support system | Charles P. Spencer, Terry L. Pitchford | 1998-05-05 |
| 5746137 | Railcar truck bearing adapter construction | Charles P. Spencer, Terry L. Pitchford | 1998-05-05 |