Patents by Inventor Ching H. Ko

Ching H. Ko 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: 5458555
    Abstract: A scissor grip exercising machine includes a locating bar having a cushion in the middle for supporting the machine on the back of the user between the shoulders. A pair of operating bars are pivotally attached to either end of the locating bar for movement about a pivot axis intermediate their ends. One end of each operating bar terminates in a hand grip. Each operating bar has one through opening on each side of the pivot axis. A pair of elastic reversing members are pivotally attached at one end to the locating bar and at the other end to a selective one of the through openings whereby pivotal movement of the operating bars may be selectively resisted in either direction.
    Type: Grant
    Filed: January 31, 1994
    Date of Patent: October 17, 1995
    Inventor: Ching H. Ko