Patents by Inventor Gerard K. Leistikow

Gerard K. Leistikow 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: 4285156
    Abstract: A toy toilet includes a toilet bowl, a seat supported by the toilet bowl, a hinged cover for the seat, and a reservoir. Positioned in the reservoir is a cylinder and piston arrangement having a fluid conduit to the toilet bowl and a mechanical linkage to the cover so that the movement of the cover moves the piston to "flush" the toilet.
    Type: Grant
    Filed: February 1, 1980
    Date of Patent: August 25, 1981
    Assignee: Mattel, Inc.
    Inventors: Gerard K. Leistikow, Henry R. Hales
  • Patent number: 4114313
    Abstract: A combination doll and accessory article wherein the doll has a body with a neck opening having a generally hollow head connected thereto by a swivel connection, the head having a weighted mass therein, the mass including an electric motor and speed reducing gears connected to a shaft extending downwardly through the neck opening, the swivel connection being configured to permit the head along with the weighted mass therein to move in an orbital path. An article adapted to be moved to and fro, such as a swing or a cradle is provided for receiving the doll in such a position that movement of the article results in response to orbital movement of the head of the doll. A switch is provided on the interior of the doll's head adjacent the mouth thereof, the switch being normally closed and being opened in response to insertion into the mouth of a simulated pacifier or the like made of an insulating material.
    Type: Grant
    Filed: January 21, 1977
    Date of Patent: September 19, 1978
    Assignee: Mattel, Inc.
    Inventors: Benjamin G. Guerrero, Gerard K. Leistikow, Norman E. Sindlinger
  • Patent number: 3959922
    Abstract: A wheeled push toy, which may simulate a lawn mower, has an impeller which is rotated into engagement with objects to be picked up and flips them up a ramp into a collection container. The impeller is made of soft spongy material and is supported from the ends without provision of a center shaft. The device has a ring gear for driving the impeller, and may simulate a lawn mower.
    Type: Grant
    Filed: May 16, 1975
    Date of Patent: June 1, 1976
    Assignee: Mattel, Inc.
    Inventor: Gerard K. Leistikow