Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5306361 | Method for improving service life of rail welds by aluminothermic heat treatment | Robert H. Kachik, Mark A. Swartz, Frank Kuster, Hans Guntermann | 1994-04-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5306361 | Method for improving service life of rail welds by aluminothermic heat treatment | Robert H. Kachik, Mark A. Swartz, Frank Kuster, Hans Guntermann | 1994-04-26 |