Patents by Inventor Sung Il Ok

Sung Il Ok 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).

  • Patent number: 6293425
    Abstract: Disclosed is a system capable of automatically dispensing copperplates one by one in sequence to be used in imprinting captions on a film in a caption printer. The system has a casing shaped as a slim tube having an inclined guiding hole. A coil spring is longitudinally inserted in the casing. Each of the copperplates can be received in each of pitches of the casing. A rotation shaft is fixed to a lower end of the coil spring. The copperplates can be inserted through the upper end of the casing and guided into each of the pitches one by one in sequence while the rotation shaft together with the coil spring is rotated. The copperplates can be dispensed out of the casing through the inclined guiding hole one by one in sequence at each rotation of the coil spring.
    Type: Grant
    Filed: May 31, 2000
    Date of Patent: September 25, 2001
    Inventors: Sung Il Ok, Min Sub Yun