Bernard Gravel

Person

  • Pointe-Claire, CA

Patents Grantslast 30 patents

  • Information Patent Grant

    Photographic liquids effluent discharge

    • Patent number 6,120,194
    • Issue date Sep 19, 2000
    • Metafix Inc.
    • Denis Brunelle
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Exchangeable filter medium container and method of connecting and r...

    • Patent number 5,807,488
    • Issue date Sep 15, 1998
    • Metafix Inc.
    • John La Riviere
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Electrolytic metal recovery method

    • Patent number 5,783,060
    • Issue date Jul 21, 1998
    • Metafix Inc.
    • John La Riviere
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Metal recovery

    • Patent number 5,753,099
    • Issue date May 19, 1998
    • Metafix Inc.
    • Bernard Gravel
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Electrolytic metal recovery system

    • Patent number 5,310,466
    • Issue date May 10, 1994
    • Metafix Inc.
    • John La Riviere
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR