Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5138954 | Freight railcar truck and bolster for outboard support of car body with side bearings located entirely outside of the sideframes for receiving the entire vehicle weight | — | 1992-08-18 |
| 5046866 | Multi friction side bearing for a railcar truck | — | 1991-09-10 |
| 5001989 | Single axle suspension system for railway car truck | Robert P. Radwill | 1991-03-26 |
| 4674412 | Elastomeric bearing pad with unlike threaded fasteners | Stanley Karbowniczek | 1987-06-23 |
| 4561360 | Single axle suspension system for railroad vehicle | — | 1985-12-31 |
| 4552074 | Primary suspension for railroad car truck | Dimitris Garivaltis, Stanley Karbowniczek, Horst T. Kaufhold | 1985-11-12 |
| 4434720 | Multi-rate side bearing for a railway truck | Horst T. Kaufhold | 1984-03-06 |
| 4413569 | Steering railroad truck | — | 1983-11-08 |
| 4370933 | Railway car truck bolster assembly | — | 1983-02-01 |
| 4363278 | Resilient railway truck bearing adaptor | — | 1982-12-14 |