Patents by Inventor George O. Bartoo

George O. Bartoo 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).

  • Toy elevator safety override drive mechanism
    Patent number: 4118886
    Abstract: A rotatable drive mechanism for driving a driven mechanism of a toy such as a reciprocally movable elevator or the like. The rotatable drive mechanism drives the driven mechanism in either direction of rotation. The drive mechanism has a safety override feature that allows the drive mechanism to continue to drive when the driven mechanism is held or stopped by an obstruction or the like without damaging the drive and/or driven mechanisms.
    Type: Grant
    Filed: February 1, 1977
    Date of Patent: October 10, 1978
    Assignee: The Quaker Oats Company
    Inventor: George O. Bartoo