Patents by Inventor Kai Man William Ng

Kai Man William Ng 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).

  • Mah jong rack with pusher arm
    Patent number: D659767
    Type: Grant
    Filed: September 20, 2010
    Date of Patent: May 15, 2012
    Assignee: Sunnywood, Inc.
    Inventor: Kai Man William Ng
  • Ride on bulldozer toy
    Patent number: D956877
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: July 5, 2022
    Assignee: SUNNYWOOD, INCORPORATED
    Inventor: Kai Man William Ng