Patents by Inventor Louis Kuolong Tseng

Louis Kuolong 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).

  • Patent number: D579238
    Type: Grant
    Filed: March 27, 2007
    Date of Patent: October 28, 2008
    Inventor: Louis Kuolong Tseng
  • Patent number: D584536
    Type: Grant
    Filed: March 28, 2007
    Date of Patent: January 13, 2009
    Inventor: Louis Kuolong Tseng