Patents by Inventor In-Gyu Kwon

In-Gyu Kwon 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).

  • Adjustable bubble generator
    Patent number: 5110512
    Abstract: The adjustable bubble generator comprises a stationary casing having an air introduction aperture and a plurality of bubble discharge holes on the top wall; a movable casing having substantially the same outer configuration as that of the stationary one but adapted to be slidably inserted into the stationary casing; and an extensible distributor conduit contained within the stationary and movable casings so that it can be extended or retracted in response to the sliding movement of said movable casing with respect to the stationary one.
    Type: Grant
    Filed: April 16, 1991
    Date of Patent: May 5, 1992
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: In-Gyu Kwon