Patents by Inventor Yang H. Roh

Yang H. Roh 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).

  • Combined pulsator and drum type washing machine
    Patent number: 5327603
    Abstract: This invention provides a combined washing machine in which pulsator type and drum type washing machine features are united such that they can be selectively utilized depending upon a desired washing condition, thereby executing optimal washing operation. The combined washing machine comprises a washing drum having both of a plurality of lifters, as in a drum type machine, and a pulsator, as in a pulsator type machine, and being rotatable through 90.degree. between vertical and horizontal positions by means of a driving device.
    Type: Grant
    Filed: July 16, 1992
    Date of Patent: July 12, 1994
    Assignee: Goldstar Co., Ltd.
    Inventors: Yang H. Roh, Ho C. Kwon