Patents by Inventor Chong J. Yoon

Chong J. Yoon 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).

  • Collapsible tent frame
    Patent number: 4074682
    Abstract: A collapsible tent frame has all of its parts permanently connected to one another to provide a complete single unit and is easily changeable between a fully deployed condition, a partially deployed condition and a compact collapsed condition by simple manual manipulations. In either its fully deployed condition or its partially deployed condition, the frame is adapted to receive and support a tent fabric or other covering to provide a shelter lending itself to a variety of uses.
    Type: Grant
    Filed: November 8, 1976
    Date of Patent: February 21, 1978
    Inventor: Chong J. Yoon