Patents by Inventor Ker-Shin Hsu

Ker-Shin Hsu 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).

  • Hammock
    Patent number: 5799348
    Abstract: A hammock is composed of a net, two side ropes fastened to two longitudinal sides of the net, two support rods fastened near the longitudinal ends of the net, and two suspension hooks. The support rods are made up of an upper rod piece and a lower rod piece. The upper rod piece and the lower rod piece form therebetween a net locating recess for locating the net, and two rope holes for locating the two side ropes.
    Type: Grant
    Filed: October 27, 1997
    Date of Patent: September 1, 1998
    Inventor: Ker-Shin Hsu