Patents by Inventor Robert O. Manspeaker

Robert O. Manspeaker 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).

  • Retractable seat
    Patent number: 4009903
    Abstract: A seat for movement from an open, usable position to a closed, stored position including a stationary frame mounted on a vertical support and a movable seat assembly having bearings to coact with the stationary frame and having foldable legs that rest on a horizontal support when the seat assembly is in the open position.
    Type: Grant
    Filed: June 22, 1972
    Date of Patent: March 1, 1977
    Inventor: Robert O. Manspeaker