Patents by Inventor Chen Shwu-Jen

Chen Shwu-Jen 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: 4974352
    Abstract: A picture frame including two side members, a top member, a bottom member and four connecting means. Each of the two side members, the top member and the bottom member has a flat elongated base. A first flange protrudes from the elongated base adjacent to a first edge of the base and extends along a length of the base. A second flange protrudes from a middle region of the base and extends along the length of the base. A third flange protrudes from a second edge of the base and extends along the length of the base. The first flange has two slots formed at a position adjacent to each end thereof. A fourth flange protrudes from a middle portion of the second flange. The first flange, the second flange, the fourth flange and the base together define a first channel therebetween within which the connecting means is slidable. The second flange and the third flange together define a second channel for receiving a picture or photograph. The connecting means is substantially L-shaped including two side portions.
    Type: Grant
    Filed: August 23, 1989
    Date of Patent: December 4, 1990
    Inventor: Chen Shwu-Jen