Patents by Inventor Donald R. Bishop

Donald R. Bishop 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: D268267
    Type: Grant
    Filed: October 23, 1980
    Date of Patent: March 15, 1983
    Assignee: Polaroid Corporation
    Inventors: Enrique Alie, Donald R. Bishop, James M. Ryan
  • Patent number: D270643
    Type: Grant
    Filed: March 17, 1981
    Date of Patent: September 20, 1983
    Assignee: Polaroid Corporation
    Inventors: Enrique Alie, Donald R. Bishop, James M. Ryan