Hendrik Dollerman

Person

  • Assendelft, NL

Patents Grantslast 30 patents

  • Information Patent Grant

    Microphone for a hearing aid

    • Patent number 8,824,713
    • Issue date Sep 2, 2014
    • Sonion Nederland B.V.
    • Wilmink Engbert
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    MICROPHONE FOR A HEARING AID

    • Publication number 20130142370
    • Publication date Jun 6, 2013
    • Sonion Nederland BV
    • Wilmink Engbert
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE