Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4645187 | Draft gear assembly | Howard Sommerfeld | 1987-02-24 |
| 4368648 | Hand brake for railroad car | Richard J. Housman | 1983-01-18 |
| 4292721 | Crimping device for use in assembling an overtravel spring assembly for slack adjuster | Roger J. Weseloh, Syed Shahnawaz Karim | 1981-10-06 |
| 4236424 | Hand brake for railway vehicles | Richard J. Housman, Scott Natschke | 1980-12-02 |