August Kalin

Person

  • Bonstetten, CH

Patents Grantslast 30 patents

  • Information Patent Grant

    Hearing aid apparatus

    • Patent number 5,661,814
    • Issue date Aug 26, 1997
    • Phonak AG
    • August Nazar Kalin
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Echo canceler

    • Patent number 5,633,863
    • Issue date May 27, 1997
    • Siemens Schweiz AG
    • Peter Gysel
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE