Patents by Inventor Robert S. Waugh

Robert S. Waugh 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).

  • Method of making electrostatographic imaging members containing vanadyl phthalocyanine
    Patent number: 5324615
    Abstract: A process for fabricating an electrophotographic imaging member including providing a substrate to be coated, forming a coating comprising photoconductive pigment particles consisting essentially of vanadyl phthalocyanine particles having an average particle size of less than about 0.
    Type: Grant
    Filed: August 13, 1993
    Date of Patent: June 28, 1994
    Assignee: Xerox Corporation
    Inventors: Martha J. Stegbauer, Richard H. Nealey, Robert S. Waugh