Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5183519 | Method for quenching railway rail heads | Emmerich E. Wechselberger | 1993-02-02 |
| 4938460 | Apparatus for air quenching railway heads | Emmerich E. Wechselberger | 1990-07-03 |
| 4324048 | Locator for rail aligning device | — | 1982-04-13 |