Patents by Inventor Duk S. Park

Duk S. Park 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).

  • Lamp air exhausting apparatus
    Patent number: 5238436
    Abstract: A lamp air exhausting apparatus is disclosed, which comprises a compression head, a holding assembly, and a securing member. The holding assembly comprises a holder, a flexible tube, a push rod, an eccentric cam and a spring. According to the present invention, a separate exhausting tube is not required, and an electrode can be accurately placed at the center of the lamp.
    Type: Grant
    Filed: February 28, 1992
    Date of Patent: August 24, 1993
    Assignee: Samsung Electron Devices Co., Ltd.
    Inventors: Kye S. Lee, Duk S. Park