Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9539760 | Indexing welding device for tube | Christophe Stahl, Didier Ferrin | 2017-01-10 |
| 7156219 | Installation for assembling tube components | Jean-Pierre Voigtmann, Mathieu Benoit, Didier Ferrin | 2007-01-02 |