Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362690 | Refractory castable composition and process for its manufacture | Pierre Delvaux, Normand Lesmerises, Marcel Gouin | 1994-11-08 |
| 5360771 | Light weight mineral foam and process for preparing the same | Pierre Delvaux, Normand Lesmerises, Marcel Gouin | 1994-11-01 |