Patents by Inventor Dae-Kyoon Park

Dae-Kyoon 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).

  • Earset having an automatic rewinding unit of ball/wire spring type
    Patent number: 9055364
    Abstract: An earset has an automatic rewinding unit of a ball/wire spring type. In the earset, an earphone cable extends from a wheel by a desired length if a user pulls the earphone cable, and the drawn earphone cable is rewound back into the wheel if the user pulls the earphone cable slightly.
    Type: Grant
    Filed: November 6, 2014
    Date of Patent: June 9, 2015
    Assignee: BULECOM CO., LTD.
    Inventors: Yong-Chul Uh, Dae-Kyoon Park, Lee-Sub Song