Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5992329 | Machine for welding at least one run of rail | Antoine Scheuchzer, Christian Wenger, Jean-Jacques Aubert | 1999-11-30 |
| 5615616 | Process for screwing and unscrewing the tie screws of a railroad and machine for implementing the process | Antoine Scheuchzer, Christian Wenger, Gerard Sauterel | 1997-04-01 |