Patents by Inventor David John Lee

David John Lee 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).

  • Speaker system with covers
    Patent number: D974323
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: January 3, 2023
    Assignee: True Lee Loudspeakers, LLC
    Inventor: David John Lee
  • Speaker system
    Patent number: D1009830
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: January 2, 2024
    Assignee: TRUE LEE LOUDSPEAKERS, LLC
    Inventor: David John Lee
  • Speaker system
    Patent number: D1099867
    Type: Grant
    Filed: January 2, 2024
    Date of Patent: October 28, 2025
    Assignee: True Lee Loudspeakers, LLC
    Inventor: David John Lee