Patents by Inventor Donald L. Ramsdell

Donald L. Ramsdell 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: 8042826
    Abstract: A trailer hitch carriage assembly for reducing downward force on a tow vehicle and facilitating hitching of a trailer includes an axle having pivotable distal end portions and a tow bar pivotally coupled to a central portion of the axle. The tow bar has a proximal end and a distal end. A tie rod assembly is coupled to the distal end of the tow bar and has a pair of distal end portions. Each distal end portion of the tie rod assembly is pivotally coupled to a respective one of the distal end portions of the axle. A pair of hubs is included, each hub being rotationally coupled to a respective one of the distal end portions of the axle and wheels are coupled to the hubs. A trailer hitch receiver is coupled to the proximal end of the tow bar and a ball hitch is coupled to the axle.
    Type: Grant
    Filed: March 11, 2010
    Date of Patent: October 25, 2011
    Inventor: Donald L. Ramsdell