Patents by Inventor Robert Lawrence Hamilton

Robert Lawrence Hamilton 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).

  • Hat bill
    Patent number: D806366
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: January 2, 2018
    Inventor: Robert Lawrence Hamilton
  • Hat bill
    Patent number: D951597
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: May 17, 2022
    Inventor: Robert Lawrence Hamilton, Sr.