Patents by Inventor Chii-Chong Wu

Chii-Chong 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).

  • Picture frame
    Patent number: 5187886
    Abstract: A picture frame including a pair of horizontal bars and a pair of vertical bars each having two end portions, a space formed in each of the end portions of the bars, a coupler disposed in each of the corner areas of the picture frame and including two legs perpendicular with each other and engageable within the spaces of the bars so that the bars can be coupled together by the couplers, and a strip having a hook formed on each end and engageable within the orifices formed in the ribs so that the bars can be coupled together.
    Type: Grant
    Filed: September 9, 1991
    Date of Patent: February 23, 1993
    Inventors: Chii-Chong Wu, Der-Shing Wang