Patents by Inventor Mun H. Ngai

Mun H. Ngai 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).

  • Speed controller for toy car or the like
    Patent number: D263858
    Type: Grant
    Filed: August 22, 1979
    Date of Patent: April 13, 1982
    Inventor: Mun H. Ngai
  • Jump for a toy racetrack
    Patent number: D305676
    Type: Grant
    Filed: January 29, 1987
    Date of Patent: January 23, 1990
    Assignee: Artin Industrial Co., Ltd.
    Inventor: Mun H. Ngai
  • Toy racing track way
    Patent number: D318501
    Type: Grant
    Filed: November 16, 1989
    Date of Patent: July 23, 1991
    Assignee: Artin Industrial Co. Ltd.
    Inventor: Mun H. Ngai