Patents by Inventor Bee Su

Bee Su 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).

  • Adjustable seat assembly for a wheeled chair
    Patent number: 5215352
    Abstract: An adjustable chair seat, of which the angle of the back frame, the seat width, and the seat depth may be adjusted; the arm rest assemblies can also be turned backwards at an angle of 120.degree.; the side frames can also be turned outwards at a horizontal position so as to provide a user with comfortable and convenient operation and use.
    Type: Grant
    Filed: December 13, 1991
    Date of Patent: June 1, 1993
    Assignee: Industrial Technology Research Institute
    Inventors: Bean-Shung Yeh, Wu-Yaw Wei, Bee Su, Lin-Yun Wu