Patents by Inventor Dang Tho Lu

Dang Tho Lu 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).

  • Warmer
    Patent number: D440712
    Type: Grant
    Filed: August 1, 2000
    Date of Patent: April 17, 2001
    Inventor: Dang Tho Lu
  • Warmer insert
    Patent number: D443112
    Type: Grant
    Filed: August 1, 2000
    Date of Patent: May 29, 2001
    Inventor: Dang Tho Lu
  • Pair of disposable sandals
    Patent number: D433555
    Type: Grant
    Filed: March 24, 2000
    Date of Patent: November 14, 2000
    Inventor: Dang Tho Lu