Patents by Inventor Jack Friedland

Jack Friedland 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).

  • Device for cleaning the magnetic head and capstan roller of a cassette-type recording and/or playback unit in response to operation of the tape drive of the unit
    Patent number: 3955214
    Abstract: A cassette housing has an open side which faces the head and capstan roller of a tape recording and/or playback unit of the type using magnetic-tape cassettes, when the housing is placed in operative position on the unit in lieu of a tape cassette. One or more first pads are provided for wiping over the periphery of the capstan roller when the latter is rotated and a cam and follower arrangement driven by the tape drive of the unit performs oscillatory motions and wipes over the tape-engaging surface of the magnetic head of the unit.
    Type: Grant
    Filed: August 26, 1974
    Date of Patent: May 4, 1976
    Assignee: Tobins Industries Corporation
    Inventors: Herman D. Post, Jack Friedland, Art Seides, George Alexandrovich, Sr.