Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364265 | Equipment for and method of precalcining any mineral materials whatsoever | — | 1994-11-15 |
| 5333798 | Method and system for pounding brittle material | Jacques Duputs | 1994-08-02 |