Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11274447 | Lift hole forming device for concrete products | Aaron Schmidgall, Bryan Moehle, Dave STRABALA, Mike M. McDonald | 2022-03-15 |
| 5875721 | Railway car truck and method and apparatus for velocity-dependent friction damping | Aubra D. McKisic | 1999-03-02 |
| 5662046 | Method and apparatus for controlling railway truck hunting and a railway car body supported thereby | Aubra D. McKisic | 1997-09-02 |
| 5386783 | Railway truck side bearing | Dennis Rhen, Bruce E. Henderson | 1995-02-07 |
| RE34129 | Railway truck side bearing | — | 1992-11-17 |
| 4859089 | Railway truck side bearing | — | 1989-08-22 |