Patents by Inventor Chang C. Kun

Chang C. Kun 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).

  • Opening and recovering type net device
    Patent number: 4706404
    Abstract: A kind of opening and recovering type net device, in which the net frame includes several joints and frame rods together with the function of driving shaft and transmission assemblies to form into a retractable mechanism that can be put into an adjustable sleeve assembly. The whole net can be retracted into the adjustable sleeve assembly for carrying convenience.
    Type: Grant
    Filed: July 14, 1986
    Date of Patent: November 17, 1987
    Inventor: Chang C. Kun