Patents by Inventor Chyuan C. Chen

Chyuan C. Chen 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: 5267929
    Abstract: A hand/leg exerciser includes a first arcuate handle unit, a second arcuate handle unit, and a resistance unit. The first arcuate handle unit includes a first handle end, a first pivotal end, and a first middle section therebetween. The second arcuate handle unit includes a second handle end, a second pivotal end pivoted to the first pivotal end, and a second middle section therebetween. The resistance unit includes an outer tube, an inner tube telescopically received in the outer tube, and a spring extending in the outer and inner tubes. The outer tube is securely attached to the first middle section while the inner tube is selectively attached to one of a plurality of positions in the second middle section, providing a variable resistance. An arcuate plate extends outward from an outside of each of the first and second middle section to provide a comfort contact for legs when exercising legs.
    Type: Grant
    Filed: September 23, 1992
    Date of Patent: December 7, 1993
    Inventor: Chyuan C. Chen