Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5000798 | Method for shape control of rail during accelerated cooling | Kenneth Overman | 1991-03-19 |
| 4895605 | Method for the manufacture of hardened railroad rails | Robert J. Ackert | 1990-01-23 |