Patents by Inventor Joseph J. Rendzio

Joseph J. Rendzio 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).

  • Pivotable trailer extension
    Patent number: 4687219
    Abstract: A pivotal trailer extension including a pivotable platform mounted to an upwardly extending support member for trailers. The platform has mounted thereon a winch and a "V"-shaped chock block. The platform is dynamically pivoted when the bow of the boat is winched onto the trailer and into the "V" block during the loading of the boat from the water at a sloped boat dock and remains fully chock-up as the floating boat settles on the bunks when the trailer is pulled from the water.
    Type: Grant
    Filed: March 24, 1986
    Date of Patent: August 18, 1987
    Inventor: Joseph J. Rendzio