Patents by Inventor John Rushton

John Rushton 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).

  • Copying method and apparatus
    Patent number: 4380383
    Abstract: A copying system and apparatus wherein a first electrostatic image of an original is formed and developed on a first photoconductive surface, and second electrostatic images of the developed image are repeatedly formed on a second photoconductive surface by illumination of the first surface. The second images, which can be formed at high speed, are developed and transferred to copy material.
    Type: Grant
    Filed: November 14, 1980
    Date of Patent: April 19, 1983
    Assignee: Gestetner Manufacturing Limited
    Inventors: Joseph W. Daintrey, John Rushton, Michael Willis