Patents by Inventor Michael Pui Kuen Lee

Michael Pui Kuen 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).

  • Patent number: 6902464
    Abstract: A rolling toy includes a chassis, an electric power source attached to the chassis, a remote signal receiver, an electric motor attached to the chassis and receiving power from the power source in response to a signal received by the remote signal receiver, a pair of riding surface-engaging wheels mounted co-axially to the chassis and capable of rotating independently of one another, and wherein at least one of the wheels is driven to rotate by the electric motor, and a dome-shaped profile formed on each wheel and adapted to bear upon the riding surface to assist in righting the toy, should it topple in use.
    Type: Grant
    Filed: May 19, 2004
    Date of Patent: June 7, 2005
    Assignee: Silver Manufactory Holdings Company Limited
    Inventor: Michael Pui Kuen Lee