Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5039174 | Empty/load braking system for railroad cars and valve therefor | Robert Shepherd, Neal Dauber | 1991-08-13 |
| 4646882 | Brake slack adjuster | Robert M. Holloway, Robert L. Ludington | 1987-03-03 |
| 4428622 | Railway vehicle brake system with four-way valve | — | 1984-01-31 |
| 4312428 | Truck mounted brake apparatus | — | 1982-01-26 |