Patents by Inventor Doo Pyeong Lee

Doo Pyeong Lee 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).

  • Infantile riding playing nine
    Patent number: 8118313
    Abstract: A riding apparatus for children is disclosed. The riding apparatus of the present invention includes a main body (110), which has a handle (111) and a footrest (115), and support plates (120), which are installed in the main body and are placed upright at positions spaced apart from each other by a predetermined distance. The riding apparatus further includes an operating unit (300), which has a front rotary member (330), a rear rotary member (340), a front spring (350), a rear spring (351) and a connection bar (310). The front rotary member and the rear rotary member respectively have interlocking shafts (213) and (223). The riding apparatus further includes front legs (210) and rear legs (220), which are respectively fastened to the interlocking shafts (213) and (223). A one-way wheel assembly is provided on the lower end of each of the front and rear legs.
    Type: Grant
    Filed: July 2, 2008
    Date of Patent: February 21, 2012
    Assignee: Sung Shin Enc Co., Ltd.
    Inventor: Doo Pyeong Lee
  • INFANTILE RIDING PLAYING NINE
    Publication number: 20100190410
    Abstract: A riding apparatus for children is disclosed. The riding apparatus of the present invention includes a main body (110), which has a handle (111) and a footrest (115), and support plates (120), which are installed in the main body and are placed upright at positions spaced apart from each other by a predetermined distance. The riding apparatus further includes an operating unit (300), which has a front rotary member (330), a rear rotary member (340), a front spring (350), a rear spring (351) and a connection bar (310). The front rotary member and the rear rotary member respectively have interlocking shafts (213) and (223). The riding apparatus further includes front legs (210) and rear legs (220), which are respectively fastened to the interlocking shafts (213) and (223). A one-way wheel assembly is provided on the lower end of each of the front and rear legs.
    Type: Application
    Filed: July 2, 2008
    Publication date: July 29, 2010
    Inventor: Doo Pyeong Lee
  • Toy horseback rider
    Patent number: D577079
    Type: Grant
    Filed: March 28, 2008
    Date of Patent: September 16, 2008
    Assignee: Sung Shin Enc Co., Ltd.
    Inventor: Doo Pyeong Lee