Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837385 | Process for separating the inclusions contained in a bath of molten metal, by filtration | Calogero Conti, Jean-Luc Meyer, Pierre Netter | 1989-06-06 |
| 4807694 | Process for regulating the level of the line of contact of the free surface of the metal with the mould in vertical casting | Charles Vives, Bernard Forest | 1989-02-28 |