David P. Riegel

Person

  • Landisville, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Capacitance liquid level sender

    • Patent number D397631
    • Issue date Sep 1, 1998
    • Datcon Instrument Company
    • David P. Riegel
    • D10 - Measuring, testing, or signalling instruments