Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4201097 | Device for locking and releasing the mandrel-holding carriage of a piercing pressure mill | Alberto Mascheroni, Jean P. Calmes | 1980-05-06 |
| 4186585 | Device for controlling the speed of a mandrel in continuous retained-mandrel rolling mills | Jean P. Calmes, Filippo Cattaneo, Aurindo Nessi | 1980-02-05 |