Lorne Pierson

Person

  • Calgary, CA

Patents Grantslast 30 patents

  • Information Patent Grant

    Drilling fluid

    • Patent number 6,410,488
    • Issue date Jun 25, 2002
    • Petro-Canada
    • Michael Fefer
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...