Patents by Inventor Leonard Royce Stamper

Leonard Royce Stamper 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).

  • Storage lid for container
    Patent number: D704987
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: May 20, 2014
    Assignee: Shye Worldwide LLC
    Inventors: Leonard Royce Stamper, Brian John Sykes
  • Storage container lid
    Patent number: D712697
    Type: Grant
    Filed: February 20, 2013
    Date of Patent: September 9, 2014
    Assignee: Shye Worldwide LLC
    Inventors: Leonard Royce Stamper, Brian John Sykes