Patents Assigned to Oldcastle Building Products Canada Inc.
  • Artificial paving block
    Patent number: D505733
    Type: Grant
    Filed: April 22, 2004
    Date of Patent: May 31, 2005
    Assignee: Oldcastle Building Products Canada Inc.
    Inventors: Bertin Castonguay, Marcel Thomassen
  • Artificial stone
    Patent number: D522667
    Type: Grant
    Filed: December 1, 2004
    Date of Patent: June 6, 2006
    Assignee: Oldcastle Building Products Canada Inc.
    Inventors: Bertin Castonguay, Marcel Thomassen