Patents by Inventor Kim Wing Lam

Kim Wing Lam 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).

  • Toy dice
    Patent number: 6394903
    Abstract: A toy dice comprising a cubical body having six sides, and an internal electronic operating circuit including an integrated circuit configured to perform six electronic playing functions associated with the sides of the dice body respectively. A position sensor is located within the dice body and connected to the integrated circuit for sensing which side of the dice body faces up when the dice is rolled and, in response, triggering the integrated circuit to perform the corresponding playing function associated with that side.
    Type: Grant
    Filed: January 23, 2001
    Date of Patent: May 28, 2002
    Assignee: Star H.K. Electronic Ltd.
    Inventor: Kim Wing Lam