Patents by Inventor Lung-Hai Tseng

Lung-Hai Tseng 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).

  • Shoe-rack assembly with a heating device
    Patent number: 5566838
    Abstract: A shoe rack assembly with a heating device which can heat a number of shoes simultaneously and economically.
    Type: Grant
    Filed: February 1, 1995
    Date of Patent: October 22, 1996
    Inventor: Lung-Hai Tseng
  • Electric heating shoe rack
    Patent number: D367382
    Type: Grant
    Filed: January 11, 1995
    Date of Patent: February 27, 1996
    Inventor: Lung-Hai Tseng