Patents by Inventor Yam K. Wong

Yam K. Wong 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: D303820
    Type: Grant
    Filed: December 18, 1986
    Date of Patent: October 3, 1989
    Inventor: Yam K. Wong