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Patents Grants
last 30 patents
Information
Patent Grant
Process for manufacturing an article in the form of a slab and arti...
Patent number
5,976,441
Issue date
Nov 2, 1999
Materiaux de Construction International (M.C.I. S.A.)
Didier Guyot
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Article, in particular a building covering plate, and process for m...
Patent number
5,779,957
Issue date
Jul 14, 1998
Materiaux De Construction International
Claude Champomier
B28 - WORKING CEMENT, CLAY, OR STONE