Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4915362 | Carbon dioxide snow nozzle for metallurgy | Jean-Michel Charles, Sylvain Windels | 1990-04-10 |
| 4781122 | Process of casting steel including rendering the steel bath inert by means of liquid argon or carbon dioxide in the form of dry ice | Jean Foulard | 1988-11-01 |