Patents by Inventor Glenn E. Knisley

Glenn E. Knisley 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).

  • Trailer alignment device
    Patent number: 5338047
    Abstract: A device simply the alignment of a trailer tongue of a towed vehicle for coupling to the tow bar of a towing vehicle. The device includes a direction orientable wheeled body having a socket thereon to receive the lower end of a vertical tongue jack of the trailer whereby movement of the wheel of the device aligns the trailer tongue hitch socket with the hitch ball of a towing vehicle. Wheel movement is achieved by rotation of a gear in engagement with the wheel.
    Type: Grant
    Filed: July 22, 1992
    Date of Patent: August 16, 1994
    Inventor: Glenn E. Knisley