Patents by Inventor Harold Lawrence Hull, deceased

Harold Lawrence Hull, deceased 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).

  • Vertical lift towing dolly including variable, attachable platforms
    Patent number: 5727920
    Abstract: The present invention has many inherent advantages, such as we provide "A VERTICAL LIFT TOWING DOLLY INCLUDING VARIABLE, ATTACHABLE PLATFORMS" with each platform being individually designed for a specific purpose, such as hauling a boat, car, motorcycle, etc. Also, a unique hydraulic one-man operated cable system allows for vertical lift of the entire frame. Also, this invention provides the following: an arrangement to selectively vary the distance between the wheels, a towing tongue removably affixed to the axle, an arrangement to accept variable sized trailer hitches, an arrangement to vary height of the trailer hitch and further the trailer may easily be assembled, as each of the components may be color coded and the trailer may be easily disassembled for transport and/or storage, or the like.
    Type: Grant
    Filed: July 19, 1996
    Date of Patent: March 17, 1998
    Inventors: Harold Lawrence Hull, deceased, by Cathy D. Santa Cruz, Trustee, Jacques L. Cote, Robert B. Shelley