Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5315934 | Constant contact side bearings with spring biased sliding wedges | by Marie F. List, executrix | 1994-05-31 |
| 5174218 | Self-steering trucks with side bearings supporting the entire weight of the vehicle | — | 1992-12-29 |
| 5000097 | Self-steering railway truck | — | 1991-03-19 |
| 4938152 | Flexible railway car truck | — | 1990-07-03 |
| 4889054 | Steering arms for self-steering trucks and truck retrofitting method | — | 1989-12-26 |
| 4781124 | Articulated trucks | — | 1988-11-01 |
| 4729324 | Multiple axle self-steering powered locomotive truck | — | 1988-03-08 |
| 4706571 | Self-steering trucks | — | 1987-11-17 |
| 4655143 | Articulated trucks | — | 1987-04-07 |
| 4483253 | Flexible railway car truck | — | 1984-11-20 |
| 4455946 | Articulated trucks | — | 1984-06-26 |