Patents by Inventor Edward W. Williamson

Edward W. Williamson 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).

  • Sample case
    Patent number: D375628
    Type: Grant
    Filed: November 30, 1994
    Date of Patent: November 19, 1996
    Assignee: Herkert & Meisel Trunk Co.
    Inventor: Edward W. Williamson
  • Sample tray
    Patent number: D387559
    Type: Grant
    Filed: November 13, 1996
    Date of Patent: December 16, 1997
    Assignee: Herkert & Meisel Trunk Co.
    Inventor: Edward W. Williamson