TREA

Sylvain Helfenstein

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  • Lengnau, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Portable tactile electronic object
    • Patent number 9,516,767
    • Issue date Dec 6, 2016
    • Eta Sa Manufacture Horlogère Suisse
    • Martin Jufer
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    PORTABLE TACTILE ELECTRONIC OBJECT
    • Publication number 20150109744
    • Publication date Apr 23, 2015
    • ETA SA Manufacture Horlogere Suisse
    • Martin Jufer
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR