Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666707 | Conventional or continuous rolling process | John C. Winkley | 1997-09-16 |
| 5507081 | Railroad rail and method and system of rolling the same by conventional or continuous rolling process | John C. Winkley | 1996-04-16 |
| 5472041 | Railroad rail and method and system of rolling the same by conventional or continuous rolling process | John C. Winkley | 1995-12-05 |
| 5419387 | Continuous rail production | John C. Winkley | 1995-05-30 |
| 5195573 | Continuous rail production | John C. Winkley | 1993-03-23 |
| 5018666 | Unitary one quarter mile long railroad rail free of weld seams | John C. Winkley | 1991-05-28 |