Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6234083 | Resilient clip-on wear plate | — | 2001-05-22 |
| 5839549 | Brake shoe assembly and key for railway vehicles | — | 1998-11-24 |
| 5620159 | Hanger assembly for liquid irrigator and sleeve | — | 1997-04-15 |
| 5425312 | Stabilized pedestal wear plate | — | 1995-06-20 |
| 5222442 | Torsion bar railway truck | — | 1993-06-29 |
| 4942946 | Bottom rod safety guard for railway brake rigging | — | 1990-07-24 |
| 4653311 | Short stroke press with automated feed mechanism | — | 1987-03-31 |
| 4446785 | Hydraulic clutching and braking system for starting and stopping a power press | — | 1984-05-08 |
| 4428303 | Pedestal wear plate | — | 1984-01-31 |
| 4408281 | Control system for synchronizing multiple presses in a line | Francis E. Heiberger | 1983-10-04 |
| 4405081 | Rail fastener with gauge adjustment | — | 1983-09-20 |
| 4378592 | Computer directed loading and unloading devices | Francis E. Heiberger | 1983-03-29 |
| 4333403 | Retainer railway car truck bolster spring | Sergei G. Guins | 1982-06-08 |
| 4203371 | Resilient pedestal wear plate | — | 1980-05-20 |