Patents by Inventor Hung-Ying Tung

Hung-Ying Tung 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).

  • Electric torch with flexible casing
    Patent number: 4868724
    Abstract: An electric torch comprises a collapsible tubular casing made of a fabric material or a leather, a front cover body including a transparent plate, a reflector and a light bulb mounted therein, a substantially tubular connecting member interconnecting the front cover body and the collapsible tubular casing, and an electric circuit means connected with the light bulb and the cells so as to produce light.
    Type: Grant
    Filed: February 28, 1989
    Date of Patent: September 19, 1989
    Assignee: 3 W Industry Inc.
    Inventor: Hung-Ying Tung