Patents by Inventor Eric Norman Keddie

Eric Norman Keddie 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).

  • Imaging surface smoothing with roughened nickel foil
    Patent number: 4078924
    Abstract: A method and device for improving xerographic development of non-metallic photoreceptor imaging surfaces containing irregularities of 5 microns or larger by contacting and moving a smoothing and abrading means against the irregular surface in the presence of an interposed hydrodynamic hydrostatic fluid bearing.
    Type: Grant
    Filed: September 13, 1976
    Date of Patent: March 14, 1978
    Assignee: Xerox Corporation
    Inventors: Eric Norman Keddie, Charles Graham Cook