Patents by Inventor Marshall Sik Hei To

Marshall Sik Hei To 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: 5788231
    Abstract: Game apparatus (10) comprising a body (11) which has a perforated playing surface (13) and a border (14) upstanding from and extending around the playing surface (13), said border (14) having two opposite openings (15). Two flippers (16) are provided on opposite sides of each opening (15), which are pivotable by an operating mechanism (17). A motor-driven fan unit is provided under the playing surface (13) for driving air through the perforated playing surface (13) in order to create an air cushion thereon. A disc (19) is to be placed on the playing surface (13), while the fan unit is in action, for the flippers (16) at one opening (15) to strike to move into the other opening (15) and for flippers (16) at the other opening (15) to block against entry.
    Type: Grant
    Filed: December 29, 1995
    Date of Patent: August 4, 1998
    Assignee: Everbright Toys Manufacturing Co., Ltd.
    Inventor: Marshall Sik Hei To