Patents by Inventor Mark S. Penke

Mark S. Penke 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).

  • Patent number: D334400
    Type: Grant
    Filed: September 27, 1991
    Date of Patent: March 30, 1993
    Assignee: Xerox Corporation
    Inventors: Mark S. Penke, Robert E. Kalvitis, Clark, III: William T., Marland Chow, Hideyuki Matsubara, Hideji Kobashi
  • Patent number: D335682
    Type: Grant
    Filed: October 31, 1991
    Date of Patent: May 18, 1993
    Assignee: Xerox Corporation
    Inventors: Mark S. Penke, Robert E. Kalvitis, William T. Clark, III, Marland Chow, Leonard V. Gates, Hideyuki Matsubara, Chikako Sanaka