Patents by Inventor Steven H. Nelson

Steven H. Nelson 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).

  • Folding portable ramp
    Patent number: 5287580
    Abstract: A lightweight folding portable ramp for use with an electric scooter or a wheelchair which may be positioned by the user without dismounting from the means of conveyance. The ramp is comprised of two ramp members and may include a rectangular connecting means, all of which are hinged together. Handles for lifting are provided on the ramp members.
    Type: Grant
    Filed: December 20, 1991
    Date of Patent: February 22, 1994
    Inventor: Steven H. Nelson