Patents by Inventor Lee Wen-Tun

Lee Wen-Tun 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).

  • Fan heater
    Patent number: D297259
    Type: Grant
    Filed: April 3, 1986
    Date of Patent: August 16, 1988
    Inventor: Lee Wen-Tun
  • Fan heater
    Patent number: D313843
    Type: Grant
    Filed: March 18, 1988
    Date of Patent: January 15, 1991
    Inventor: Lee Wen-Tun