Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848441 | Method of adjustment to the level of the line of contact between the free surface of the metal and the ingot mould in the vertical casting of products of any cross-section | — | 1989-07-18 |
| 4837385 | Process for separating the inclusions contained in a bath of molten metal, by filtration | Calogero Conti, Pierre Netter, Jean-Pierre Riquet | 1989-06-06 |