Patents by Inventor Yeh H. Fu

Yeh H. Fu 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: 4900012
    Abstract: This invention relates to a leg exercising system which includes a first pair of tubular members having a pair of handles secured to respective ends thereof. A second pair of tubular members are connected to an upper section of the first pair of tubular members. Additionally, there is included a pair of tubular rods which extend in parallel directions each with respect to the other and are displaced from each other. The pair of tubular rods are mounted between respective tubular members of the second pair of tubular members. A first and second pair of I-shaped sleeve members are slidingly engageable on each of the tubular members and tubular rods. A first and second pair of helical spring members are mounted on each of the tubular members and on each of the tubular rods with all of the helical spring members being sandwiched between a base support member and respective I-shaped sleeve members.
    Type: Grant
    Filed: December 12, 1988
    Date of Patent: February 13, 1990
    Inventor: Yeh H. Fu