Patents by Inventor William Todd Hamilton

William Todd 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).

  • Ring to modify the length of a baseball bat
    Patent number: D871530
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: December 31, 2019
    Inventor: William Todd Hamilton
  • Wheel chimney cap
    Patent number: D929805
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: September 7, 2021
    Inventor: William Todd Hamilton
  • Cooler tray
    Patent number: D931058
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: September 21, 2021
    Inventor: William Todd Hamilton
  • Cooler insert
    Patent number: D942811
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: February 8, 2022
    Inventor: William Todd Hamilton
  • Cooler handle
    Patent number: D978624
    Type: Grant
    Filed: March 16, 2019
    Date of Patent: February 21, 2023
    Assignee: RAZOR GROUP ACQUISITION PQT LLC
    Inventor: William Todd Hamilton