Patents by Inventor Jen-Huei Shieh

Jen-Huei Shieh 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).

  • Closed type built-up receptacle assembly
    Patent number: 5299943
    Abstract: A closed type built-up receptacle assembly comprised of at least one receptacle retained inside a hole on a wall by a mounting plate, and a face panel covered on said mounting plate, wherein each receptacle is comprised of a receptacle body supported on a compression spring and held in a casing by a holder, a covering covered on the casing over the receptacle body, and two movable plates controlled by torsional springs to close the opening on the covering and the plug hole on the receptacle body.
    Type: Grant
    Filed: June 23, 1992
    Date of Patent: April 5, 1994
    Inventor: Jen-Huei Shieh