Patents by Inventor Yuk-Shing Yeung

Yuk-Shing Yeung 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: D274316
    Type: Grant
    Filed: February 8, 1982
    Date of Patent: June 19, 1984
    Assignee: Youngs Products, Ltd.
    Inventor: Yuk-Shing Yeung