Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5284097 | Ballast distribution, regulation and reclaiming railroad maintenance device | Richard A. Peppin, James S. Bell | 1994-02-08 |
| 4862647 | Rail grinding machine | — | 1989-09-05 |
| 4693039 | Grinding head assembly | William D. Klempke | 1987-09-15 |
| 4622781 | Rail grinding machine | Truman A. Anderson, Kevin C. Johansen | 1986-11-18 |
| 4507897 | Grinding head assembly | William D. Klempke | 1985-04-02 |