Patents by Inventor Lausan C. H. Liu

Lausan C. H. Liu 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).

  • Folding collapsible stand mounting device
    Patent number: 5529270
    Abstract: A folding collapsible stand mounting device including a frame tube and a stand tube pivotably connected together by two symmetrical connecting plates, and a sliding lock moved along the frame tube for locking the stand tube in the operative position, wherein the sliding lock has a transverse locating rod and an end cap which are respectively engaged with the connecting plates and the frame tube to hold down the stand tube when the stand tube is turned to the operative position.
    Type: Grant
    Filed: January 12, 1995
    Date of Patent: June 25, 1996
    Inventor: Lausan C. H. Liu