Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797174 | Process and apparatus for the continuous checking of the supermelting of the solidification front of a monocrystal during formation and application to the checking of the growth of a crystal | Jean Comera, Pierre Contamin, Guy Marquet | 1989-01-10 |