Patents by Inventor Haeng Yong Lee

Haeng Yong Lee 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).

  • Three-way slide fastener
    Patent number: 4112552
    Abstract: Disclosed is an embodiment of a conventional zipper in which a single slide fastener joins teeth mounted on three surfaces allowing closure of two separate compartments with one movement. Further disclosed is a slide fastener in which two surfaces are independently connected to a third common surface through separate slide fasteners but utilizing one common surface. Additionally disclosed are details of the fastening teeth which allow the sliders to be supported thereon.
    Type: Grant
    Filed: August 24, 1976
    Date of Patent: September 12, 1978
    Inventor: Haeng Yong Lee