Patents by Inventor Harold E. Randolph

Harold E. Randolph 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).

  • Checkerboard cowboy hat
    Patent number: D657536
    Type: Grant
    Filed: July 25, 2011
    Date of Patent: April 17, 2012
    Inventor: Harold E. Randolph
  • Checkered board-patterned ball cap
    Patent number: D696842
    Type: Grant
    Filed: August 7, 2012
    Date of Patent: January 7, 2014
    Inventor: Harold E. Randolph