Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5809899 | Draft sill and wheel truck connection | Horst T. Kaufhold, John J. Steffen | 1998-09-22 |
| 5573126 | Gravity wedge for a slackless railcar connector assembly | Richard G. Beauclerc, Charles P. Spencer | 1996-11-12 |
| 5481986 | Lightweight truck sideframe | Charles P. Spencer, Donald J. Lane | 1996-01-09 |
| 5331902 | Truck boltser with laterally wider friction show pocket and mechanism for lateral travel of the friction shoe | V. Terrey Hawthorne, Anthony R. Hiatt | 1994-07-26 |
| 5305694 | Sideframe with increased fatigue life having longer cross-sectional thickness transition zone | Robert D. Wronkiewicz | 1994-04-26 |
| 5111753 | Light weight fatigue resistant railcar truck bolster | Herbert L. Zigler, Robert D. Wronkiewicz, William A. Wachter | 1992-05-12 |
| 5095823 | Friction shoe for railcar truck | — | 1992-03-17 |
| 5086708 | Railcar truck bolster with immobilized friction shoes | Charles Moehling, Charles P. Spencer | 1992-02-11 |