Patents by Inventor Larry Frederick Mattson

Larry Frederick Mattson 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).

  • Anti-static magnetic record disk assembly
    Patent number: 4038693
    Abstract: A rotary magnetic record disk assembly comprising a magnetic disk which is rotatably disposed within a containing jacket of material of high electrically insulating characteristics. An electrically conductive layer is disposed on the inside surface of the jacket for draining away electrostatic charge on the jacket.
    Type: Grant
    Filed: September 23, 1975
    Date of Patent: July 26, 1977
    Assignee: International Business Machines Corporation
    Inventors: Coy Lee Huffine, Larry Frederick Mattson, Karl Allen Shidler, Norman Edward Slindee