TREA

Albert Portmann

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  • Murten, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multiple key switch
    • Patent number 4,544,815
    • Issue date Oct 1, 1985
    • Sodeco-Saia AG
    • Albert Portmann
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Snap action miniature switch
    • Patent number 4,499,346
    • Issue date Feb 12, 1985
    • Sodeco-Saia, AG
    • Albert Portmann
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Snap switch
    • Patent number 3,967,081
    • Issue date Jun 29, 1976
    • Sodeco-Saia S.A.
    • Albert Portmann
    • H01 - BASIC ELECTRIC ELEMENTS