Patents by Inventor Jae-Hum Na

Jae-Hum Na 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).

  • Publication number: 20030205430
    Abstract: An escape device including a woven fabric shaped rope installed in the inner space of a housing board, a braking member including a resistant frame, a handle, and a plurality of resistant rods spaced apart by compressing springs between the rods, the braking member provided to reduce the lowering speed of the device and a harness consisting of a waist belt and a bottom belt is provided. The device is used for safely lowering a person from high altitudes, such as a hotel, apartment, hospital or commercial building, onto the ground. The outside surface of the housing board may be configured to install a painting, picture or clock so that the housing board can be used as a displaying flame when the device is hung on the wall of room. The housing may be in the shape of any type of animal or cartoon character so that a user is familiar with it. The woven fabric rope defines one rope and is released by pulling one end of the rope.
    Type: Application
    Filed: July 1, 2002
    Publication date: November 6, 2003
    Inventor: Jae-Hum Na