Patents by Inventor William Hassell Beacham

William Hassell Beacham 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: D398637
    Type: Grant
    Filed: January 13, 1997
    Date of Patent: September 22, 1998
    Assignee: Lexmark International, Inc.
    Inventors: William Hassell Beacham, Thomas Eugene Pangburn, Gene Anthony Wade
  • Patent number: D400374
    Type: Grant
    Filed: October 30, 1997
    Date of Patent: November 3, 1998
    Assignee: Lexmark International Inc.
    Inventors: John Wayne Gassett, Peter Joseph Mendel, Thomas Eugene Pangburn, William Hassell Beacham