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Patents
Patents Assigned to Oldcastle Building Products Canada, Ltd.
Patents Assigned to Oldcastle Building Products Canada, Ltd.
Artificial stone
Patent number:
D543642
Type:
Grant
Filed:
February 14, 2006
Date of Patent:
May 29, 2007
Assignee:
Oldcastle Building Products Canada, Ltd.
Inventors:
Bertin Castonguay, Marcel Thomassen