Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5839613 | Device for pushing a tube of plastics material for internally casing a metal piping to be renovated | Marcel Teillaud, Yves Berger | 1998-11-24 |
| 5421370 | Device for sealingly positioning a tube used to repair a damaged pipe | Marcel Teillaud, Yves Berger, Michel Berland | 1995-06-06 |