Patents by Inventor Yuan Piao Kao

Yuan Piao Kao 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).

  • BARE HAND FIGHTING PRACTICE DEVICE
    Publication number: 20020193211
    Abstract: A bare hand fighting device includes a post having a plurality of base members connected thereto and the each base member has a tube extending therefrom so as to be connected to a pivotal joint. A spring is connected to the pivotal joint and the other end of the pivotal joint is connected to the other spring. An end member is connected to the other spring. A soft sleeve is mounted to the two pivotal joints and the two springs.
    Type: Application
    Filed: June 18, 2001
    Publication date: December 19, 2002
    Inventor: Yuan Piao Kao