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Christoph Pfenninger

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  • Rapperswil, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Manual call point
    • Patent number 6,674,032
    • Issue date Jan 6, 2004
    • Siemens Building Technologies AG
    • Christoph Pfenninger
    • G08 - SIGNALLING

Patents Applicationslast 30 patents

  • Information Patent Application

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    • Publication number 20030076216
    • Publication date Apr 24, 2003
    • Christoph Pfenninger
    • G08 - SIGNALLING