TREA

Roger J. Wedlake

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Patents Grantslast 30 patents

  • Information Patent Grant

    Electrochemical cell
    • Patent number 5,716,731
    • Issue date Feb 10, 1998
    • Electro Chemical Holdings Societe Anonyme
    • Johan Goetzer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    High temperature storage battery
    • Patent number 5,607,787
    • Issue date Mar 4, 1997
    • Programme 3 Patent Holdings
    • Roger J. Wedlake
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrochemical cell
    • Patent number 5,139,897
    • Issue date Aug 18, 1992
    • Lilliwyte Societe Anonyme
    • Roger J. Wedlake
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electrochemical cell
    • Patent number 5,061,580
    • Issue date Oct 29, 1991
    • Lilliwyte Societe Anonyme
    • Roger J. Wedlake
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Electrochemical cell
    • Patent number 4,975,344
    • Issue date Dec 4, 1990
    • Lilliwyte Societe Anonyme
    • Roger J. Wedlake
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Manufacture of an alkali metal aluminum halide compound and alkali...
    • Patent number 4,846,943
    • Issue date Jul 11, 1989
    • Lilliwyte Societe Anonyme
    • Johan Coetzer
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Electrochemical cell
    • Patent number 4,797,333
    • Issue date Jan 10, 1989
    • Lilliwyte Societe Anonyme
    • Johan Coetzer
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Power storage battery
    • Patent number 4,707,420
    • Issue date Nov 17, 1987
    • South African Inventions Development Corporation
    • Roger J. Wedlake
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Battery comprising high temperature rechargeable electrochemical ce...
    • Patent number 4,585,712
    • Issue date Apr 29, 1986
    • Lilliwyte Societe Anonyme
    • Roger J. Wedlake
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Electrochemical cell and the protection of an electrochemical cell
    • Patent number 4,269,905
    • Issue date May 26, 1981
    • South African Inventions Development Corp.
    • Roger J. Wedlake
    • H01 - BASIC ELECTRIC ELEMENTS