Patents by Inventor Lee M. Wang

Lee M. 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: 5197502
    Abstract: A walking stick is aimed to resolve conventional problems provided with durable structure, which generally has a circular cross-sectional pipe frame formed of two semi-circular pipe members connected with ribs in between. The pipe frame is cut to separate to a suitable position, such that cut portion of pipe frame may be extended outwardly to form U-shaped bifurcated pipe, and secured with supporting cushions on the top to partially support body weight of the user. The other end of pipe frame is connected with a hollow shaft, so made that it is adjustable by means of resilient clamping means.
    Type: Grant
    Filed: February 1, 1991
    Date of Patent: March 30, 1993
    Inventor: Lee M. Wang
  • Patent number: 5106117
    Abstract: An improvement for a folding gold cart, having three adjustable articulated joints connecting an upper pillar, a medium pillar and a lower pillar. The cart having a wheel bearer tilting from the two sides of the lower pillar to support the wheels, and a movable under-carriage and bracket to fix the golf club bag. The articulated joints can be adjusted to different angles to cope with the height and habit of the user, and fold the upper, medium and lower pillars in pairs. The articulated joints, along with the employment of convenient assembling and disassembling wheels overcome the shortcomings of conventional golf carts.
    Type: Grant
    Filed: September 12, 1990
    Date of Patent: April 21, 1992
    Inventor: Lee M. Wang