Patents by Inventor Luke Y. C. Ing

Luke Y. C. Ing 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).

  • Roofing tile
    Patent number: D374095
    Type: Grant
    Filed: October 3, 1990
    Date of Patent: September 24, 1996
    Assignee: Besalon International Limited
    Inventor: Luke Y. C. Ing