Patents by Inventor William Caspersen

William Caspersen 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: 9254988
    Abstract: A lift and pull assembly and method of removal of a dock or boat lift including a hitch receiver component configured to insert within a standard hitch receiver of a vehicle, a drawbar component configured to connect to the dock and having a lift foot mechanism that hinges upon the drawbar, a lift component having a lift arm extending from a mast where a cable from a winch extends from the lift arm to the lift foot mechanism such that operation of the winch moves the cable in order to apply a lifting force upon the dock or in order to simultaneously apply a lifting force and a pulling force upon the dock.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: February 9, 2016
    Inventor: William Caspersen