Patents by Inventor Keen Hsu

Keen Hsu 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).

  • Wall lamp
    Patent number: D341440
    Type: Grant
    Filed: September 21, 1992
    Date of Patent: November 16, 1993
    Inventor: Keen Hsu