Patents by Inventor Luke Chung Ing Yiin

Luke Chung Ing Yiin 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).

  • Roof tile
    Patent number: D416338
    Type: Grant
    Filed: September 18, 1997
    Date of Patent: November 9, 1999
    Assignee: Besalon International Limited
    Inventor: Luke Chung Ing Yiin