TREA

Alfred D. Schweizer

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  • Geneva, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Smoking materials
    • Patent number 4,286,604
    • Issue date Sep 1, 1981
    • Gallaher Limited
    • Jacques Ehretsmann
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Smoking rod wrapper
    • Patent number 4,236,532
    • Issue date Dec 2, 1980
    • Gallaher Limited
    • Alfred D. Schweizer
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
  • Information Patent Grant

    Uronic oxidation of cellulose
    • Patent number 4,100,341
    • Issue date Jul 11, 1978
    • Gallaher Limited
    • Marcel Brasey
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES