Patents by Inventor Kuen-Jenn Chen

Kuen-Jenn Chen 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).

  • Double-matched tool box
    Patent number: 5145064
    Abstract: A double-matched tool box, comprising two unit tool boxes attached together side by side through tongue and groove joint. Each unit tool box has a hand-hold portion for the purpose of hand carrying and is comprised of two hinged compartments having a plurality of tool storage holes symmetrically made at the inside. The two unit tool boxes can be attached together for use as a solid tool box or separated from each other for use as two independent tool boxes.
    Type: Grant
    Filed: March 19, 1991
    Date of Patent: September 8, 1992
    Inventor: Kuen-Jenn Chen
  • Combined portable and suspensible tool case
    Patent number: D318367
    Type: Grant
    Filed: March 29, 1990
    Date of Patent: July 23, 1991
    Inventor: Kuen-Jenn Chen