Patents by Inventor Yui-Chen Lin

Yui-Chen Lin 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: 4694517
    Abstract: An improved universal couch characterized by comprising two sets of bed-frame, three sets of base-frame, two positioning rods and supporting rods, two connecting frames and couch-surfaces, wherein three sets of base-frame consist of two separated elements and a cover plate respectively, and the connecting frame is used to connect two couch frames, so that by means of the above elements, the couch frames can be put into the looped sheaths sewed up at the both sides of the couch-surface material, and then they can be assembled respectively with three sets of baseframe to become a completed universal couch, since the positioning rod and the supporting rod, which are pivoted at the frame of the rear couch frame, can be used to raise and support the rear couch surface, and to adjust its angle of elevation in order to have the function of an improved universal couch.
    Type: Grant
    Filed: February 4, 1987
    Date of Patent: September 22, 1987
    Inventor: Yui-Chen Lin