Patents by Inventor Marsh Pottorff

Marsh Pottorff 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: 3997186
    Abstract: Various motorcycle towing devices are presented wherein the connection between the towing vehicle and a motorcycle or a carrier therefor is of a fifth wheel type inclusive of king bolt and turning plate or bolster plate components that permit turning movements about the vertically oriented king bolt while movements about horizontal axes are limited and controlled by the positioning of the bolster plate and the horizontal pivot support provided thereby. Separate embodiments provide a rigid connection from the bolster plate pivot support to the frame of a motorcycle or to the front axle thereof while the rear wheel of the motorcycle remains in contact with the ground to provide trailed support therefor; or alternately, the bolster plate pivot support is used with a trailer component having separate support wheels and a pivot linked frame that receives, supports and carries the motorcycle.
    Type: Grant
    Filed: June 23, 1975
    Date of Patent: December 14, 1976
    Inventor: Marsh Pottorff