Patents by Inventor Bi-Cheng Wu

Bi-Cheng Wu 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).

  • Single eyeglasses lens and a metal frame
    Publication number: 20020140898
    Abstract: A single eyeglasses lens and a metal frame includes a single eyeglasses lens having a center hole for a center projection of a metal frame to fit firmly therein, and two grooves formed in two opposite sides to engage with two projections formed in two ends of an intermediate portion of the metal frame to assemble with the single eyeglasses lens stably and elastically without using no screws. The metal frame is made of a light and flexible metal, having two ends connected to two temples able to be expanded outward and bent inward.
    Type: Application
    Filed: April 2, 2001
    Publication date: October 3, 2002
    Inventor: Bi-Cheng Wu