Patents by Inventor Marshall R. Nathanson

Marshall R. Nathanson 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).

  • Novel TSF head pair for dual recording on flexible disks
    Patent number: 4214287
    Abstract: Embodiments include flying "catamaran" heads with "TSF" rail-faces, consisting of a flat-taper segment and an adjoining "spherical-flat" segment, adapted to eliminate "pinch-off" instability and the like when flown on opposing sides of a flexible medium.
    Type: Grant
    Filed: July 20, 1978
    Date of Patent: July 22, 1980
    Assignee: Burroughs Corporation
    Inventors: Roger R. Stromsta, Marshall R. Nathanson, Dennis S. Morton