Patents by Inventor L. Y. Liang

L. Y. Liang 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: D414737
    Type: Grant
    Filed: October 30, 1998
    Date of Patent: October 5, 1999
    Inventor: L. Y. Liang