Patents by Inventor Sze Tung Wong

Sze Tung 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).

  • Publication number: 20110304814
    Abstract: The present invention enclosure a double-pronged flex hinge mechanism for eyeglasses frames, provide a safe, reliable, and easy to produce double-pronged flex hinge mechanism for eyeglasses temple arms. A double-pronged flex hinge mechanism comprising a temple arm, provided with a flat spring at one end. The end of said flat spring has a notch, which hooks onto the axle in the connecting members. The other end of said connecting member is attached to the end piece of the front frame of the eyeglasses. The present invention is very convenient in the assembly, high efficiency, reliable and durable.
    Type: Application
    Filed: June 13, 2011
    Publication date: December 15, 2011
    Applicant: Eagle International (Industrial) Ltd.
    Inventor: Sze Tung Wong