Patents by Inventor Richard Eugene Ehrman

Richard Eugene Ehrman 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: 5709606
    Abstract: A rotatable swing set for providing amusement to children by spinning children secured within swing seats around a central point includes a main support post, a horizontally-disposed circular plate secured to the upper end of the support post for selective rotation thereon, and a plurality of arms radially mounted on the upper surface of the circular plate with the distal ends of the arms projecting outwardly past the circular plate and from which swing seats are suspended with one swing seat suspended from each arm. In addition, a support plate is mounted to the main support post subjacent the circular plate. The support plate supports thereon a drive motor, a chain linkage arrangement driven by the drive motor, and a drive wheel which frictionally engages the bottom surface of the circular plate.
    Type: Grant
    Filed: March 20, 1996
    Date of Patent: January 20, 1998
    Inventor: Richard Eugene Ehrman