Patents by Inventor Norman E. Sindlinger

Norman E. Sindlinger 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: 4244141
    Abstract: A motor operated walking doll which upon energization of the motor walks in a straight line for a given distance, then proceeds along a curve to turn around, then commences on a straight line to its approximate starting point whereupon the doll raises its arms, the arm raising action de-energizing the switch to the motor.
    Type: Grant
    Filed: February 18, 1977
    Date of Patent: January 13, 1981
    Assignee: Mattel, Inc.
    Inventors: Raymond J. Douglas, Norman E. Sindlinger
  • 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