Patents by Inventor James Kogen

James Kogen 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).

  • Brush contact for phonograph tone arm dynamic stabilizer
    Patent number: 4514836
    Abstract: An improved brush contact for a phonograph tone arm dynamic stabilizer. The contact includes bristles on a base, with free ends fanned in an arc. A portion of the bristles contact a record surface. Lateral movement of the tone arm across the record pivots the bristles and base, bringing new bristles into contact with the record surface.
    Type: Grant
    Filed: January 31, 1983
    Date of Patent: April 30, 1985
    Assignee: Shure Brothers, Inc.
    Inventors: James Kogen, C. Roger Anderson