Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6291079 | Method for manufacturing self-hardening steel wire, reinforcing wire and application to a flexible duct | François Ropital | 2001-09-18 |
| 5922149 | Method for making steel wires and shaped wires, and use thereof in flexible ducts | François Ropital, Andre Sugier | 1999-07-13 |
| 5407744 | Method for producing steel wires intended for the manufacture of flexible conduits, steel wires obtained by this method, and flexible conduits reinforced by such wires | Andre Sugier | 1995-04-18 |
| 5213637 | Method for producing steel wires intended for the manufacture of flexible conduits | Andre Sugier | 1993-05-25 |