Patents by Inventor Stanley A. DaSalvo

Stanley A. DaSalvo 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).

  • Portable ramp
    Patent number: 5062174
    Abstract: A ramp for use in loading off road vehicles on pick up trucks. The ramp includes a number of ramp panels joined at lateral edges by hinges for foldably connecting the panels and longitudinal hinge means for foldably connecting support panels at or adjacent to both side edges of the ramp panels so that the support panels fold with ramp panels. In use the ramp panels are coplanar and the support panels are normal to the ramp panels to support a load on the top surface of the ramp panel.
    Type: Grant
    Filed: August 30, 1990
    Date of Patent: November 5, 1991
    Inventor: Stanley A. DaSalvo