Patents by Inventor George W. Penington, Jr.

George W. Penington, Jr. 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).

  • Stairway climbing device
    Patent number: 4200161
    Abstract: A device is disclosed which is capable of moving on a stairway comprised of a plurality of steps and comprises a power source and a plurality of spoked wheels which are moveable by the power source whereby each of the plurality of spokes contacts one of the plurality of steps and moves the device along the stairway.
    Type: Grant
    Filed: February 10, 1976
    Date of Patent: April 29, 1980
    Inventor: George W. Penington, Jr.