Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5139418 | Device for discharging and transferring steelworks products | Jean-Louis Rigan | 1992-08-18 |
| 4848753 | Apparatus for the inner and outer quenching of tubular pieces | Daniel Marie, Marc Luco, Henry-Albert Thoor | 1989-07-18 |