Patents by Inventor Leonard Stamper

Leonard 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).

  • Container lid
    Patent number: D705593
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: May 27, 2014
    Assignee: Shye Worldwide LLC
    Inventors: Leonard Stamper, Brian Sykes
  • Container lid
    Patent number: D795637
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: August 29, 2017
    Assignee: BRADSHAW, INTERNATIONAL, INC.
    Inventors: Leonard Stamper, Brian Sykes