Patents by Inventor Wei-Tzu Wen

Wei-Tzu Wen 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).

  • Publication number: 20070167287
    Abstract: A retractable gymnastic backboard includes a first frame member having a positioning groove and a screw hole, a second frame member having a positioning groove, a bendable board member having two distal ends thereof respectively engaged into the positioning grooves of the first and second frame members, and an adjustment rod member having a middle handhold portion, a screw portion disposed at one end and threaded into the screw hole of the first frame member, and a coupling portion disposed at the other end and pivotally coupled to the second frame member for allowing rotation of the adjustment rod member to move the first frame member relative to the second frame member and to further adjust the height of the board member.
    Type: Application
    Filed: January 13, 2006
    Publication date: July 19, 2007
    Inventor: Wei-Tzu Wen
  • Publication number: 20050227836
    Abstract: A push-up trainer is comprised of a base having an underprop, a supporter movably mounted to the underprop of the base, two pressing bars each having an end pivotably mounted to the supporter, and two upholding members respectively detachably mounted to the pressing bars and each having a slidable member contacting against the base.
    Type: Application
    Filed: May 24, 2004
    Publication date: October 13, 2005
    Inventor: Wei-Tzu Wen