Patents by Inventor Wen T. Chwang

Wen T. Chwang 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).

  • Lightbulb and socket connecting mechanism
    Patent number: 5137465
    Abstract: An improvement on the connecting mechanism for the lightbulb and bulb socket assembly, includes a socket having a shape of a cup and which can receive connecting wires in its lower part; a lightbulb having a shape a cup and can be received by the socket, characterized in that in the edge of top surface of the lightbulb extends horizontally and outwardly a grasping plate and the grasping plate forms a groove jointly with the top surface of the bulb socket.
    Type: Grant
    Filed: July 1, 1991
    Date of Patent: August 11, 1992
    Assignee: Cubiform Design & Development Co., Inc.
    Inventor: Wen T. Chwang
  • Packaging assembly for lite strings
    Patent number: 5123534
    Abstract: A packing cell for installing lite sets and their accompanying wires includes a base member made of thin material having a opening thereon. A first fastening member extends vertically to a suitable height from one end of the base member. A second fastening member is parallel with the first fastening member and extends vertically to the same height of the first fastening member from the base member. The first fastening member and second fastening member jointly secure whole strings of lite sets and their wires.
    Type: Grant
    Filed: April 10, 1991
    Date of Patent: June 23, 1992
    Assignee: Marriot International Co., Ltd.
    Inventor: Wen T. Chwang