Patents by Inventor Ruey-Hsiung Lin

Ruey-Hsiung 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).

  • Hula hoop
    Patent number: 6056621
    Abstract: A hula hoop includes a spheres connected by a circular wire and each sphere has two recesses so that two magnets are received in the two recesses of the sphere. The wire has two ends which are securely connected with each other by an end member which is received in a spherical casing. The two magnets extend out from the outside of each sphere.
    Type: Grant
    Filed: June 9, 1999
    Date of Patent: May 2, 2000
    Inventor: Ruey-Hsiung Lin