Patents by Inventor Hwei-Len Chen

Hwei-Len Chen 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: 5398993
    Abstract: The frame of an elastic arcuate cushion according to the present invention consists of four frame plates molded integrally, and shaped to conform with the arcuate human body. The frame is provided with a plurality of longitudinal or transverse guide holes for threads that support large numbers of closely spaced beads in the space circumscribed by the frame. The thread-supported beads provide a cushion that has a full elasticity and an elevational shaping and curvature conforming to the arcuate human body, such that the user can feel comfortable when he sits and leans on the cushion.
    Type: Grant
    Filed: January 7, 1993
    Date of Patent: March 21, 1995
    Assignee: Formosa Saint Jose Corporation
    Inventor: Hwei-Len Chen