Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5466119 | Spacer of adjustable thickness | Jean-Claude Boivin, Jean-Emile Chollet, Luc Mathieu | 1995-11-14 |
| 4247334 | Hydraulic cement compositions | Raymond Filhol, Jean-Noel Communal | 1981-01-27 |
| 4238236 | Rapidly cold weather setting/hardening mortars and concretes comprised of hydraulic binders | Raymond Filhol, Jean-Noel Communal | 1980-12-09 |