Patents by Inventor Franz Junker

Franz Junker has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Tinnitus-masker
    Patent number: 5167236
    Abstract: A tinnitus masker having an electric circuit arranged in a housing and an earpiece which produces a sound spectrum that masks the trinitus is disclosed. The electronic circuit is designed so that the sound spectrum produced by the earpiece contains a line spectrum with a fundamental tone.
    Type: Grant
    Filed: June 6, 1991
    Date of Patent: December 1, 1992
    Inventor: Franz Junker