Patents by Inventor Won Se Kim

Won Se Kim 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).

  • Extension unit for door lock
    Patent number: 4940269
    Abstract: An extension unit for a door lock in which it is possible to readily change the backset of the door lock unit to accommodate standard backsets of 23/8 inches and 23/4 inches. The extension unit comprises an extension element, a connector element and a housing element, all of which, in combination, permit the backset to be easily and readily changed.
    Type: Grant
    Filed: October 4, 1988
    Date of Patent: July 10, 1990
    Assignee: Hyundae Metal Co., Ltd.
    Inventor: Won Se Kim