Patents by Inventor Hsu Keen

Hsu Keen 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).

  • Pendent lamp
    Patent number: D401002
    Type: Grant
    Filed: June 30, 1997
    Date of Patent: November 10, 1998
    Assignee: Bright Yin Huey Co., Ltd
    Inventor: Hsu Keen
  • Lamp shade
    Patent number: D412217
    Type: Grant
    Filed: July 26, 1997
    Date of Patent: July 20, 1999
    Inventor: Hsu Keen