Patents by Inventor Winson Ouyang

Winson Ouyang 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).

  • Physical exercising apparatus
    Patent number: 6203476
    Abstract: A physical exercising apparatus, which includes a first transverse frame bar having a longitudinal center through hole, a second transverse frame bars, two wheels respectively mounted on the wheel holders for supporting the second transverse frame bar on the floor, and an elastic cord member inserted through the longitudinal center through hole on the first transverse frame bar and connected between the wheel holders for stretching by the user when the user holds the first transverse frame bar in place and moves the second transverse frame bar relative to the first transverse frame bar.
    Type: Grant
    Filed: November 19, 1999
    Date of Patent: March 20, 2001
    Inventors: Mei-San Wang, Winson Ouyang