Patents by Inventor Alfred De Prado

Alfred De Prado 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).

  • Adjustable dolly
    Patent number: 4166638
    Abstract: A wheeled platform base of adjustable length, fitted with straps for securing a load to the base, with projecting handles mounted to an end wall of the base and with shoulder padding fixed under the base end to enable a household mover to lift and support an end of the carriage on his shoulder for the moving of items of furniture placed on the base.
    Type: Grant
    Filed: April 25, 1978
    Date of Patent: September 4, 1979
    Inventor: Alfred De Prado