Patents by Inventor Chew-Lu Hsi

Chew-Lu Hsi 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: D331037
    Type: Grant
    Filed: May 22, 1991
    Date of Patent: November 17, 1992
    Inventor: Chew-Lu Hsi