TREA

Victor Spreter

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  • Meinier, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method for the manufacture of a heating element
    • Patent number 5,051,220
    • Issue date Sep 24, 1991
    • Victor Spreter
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Igniter for combustible material
    • Patent number 4,583,940
    • Issue date Apr 22, 1986
    • Conrad Zellweger
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Heating device
    • Patent number 4,506,654
    • Issue date Mar 26, 1985
    • Pozel S.A.
    • Conrad Zellweger
    • F24 - HEATING RANGES VENTILATING