Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9512501 | Hypereutectoid-head steel rail | Bruce L. Bramfitt, John A. Davis | 2016-12-06 |
| 8721807 | Hypereutectoid, head-hardened steel rail | Bruce L. Bramfitt, John A. Davis | 2014-05-13 |
| 8241442 | Method of making a hypereutectoid, head-hardened steel rail | Bruce L. Bramfitt, John A. Davis | 2012-08-14 |