Patents by Inventor Yuh-Ruenn Wang

Yuh-Ruenn Wang 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: 5295935
    Abstract: An exercise device includes a pair of parallel tracks each having a shaft disposed in the middle portion, a pair of parallel poles slidably engaged on the shafts, springs biasing the poles away from each other, a pair of slides slidably engaged on the tracks, a number of elastic bands having one end fixed to each of the slides and the other end fixed to the tracks. The elastic bands are arranged such that the poles move toward each other against the springs when the slides are moved away from each other.
    Type: Grant
    Filed: February 22, 1993
    Date of Patent: March 22, 1994
    Inventor: Yuh-Ruenn Wang