Patents by Inventor Frank J. Sbragia

Frank J. Sbragia 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).

  • Collapsible cart
    Patent number: 4953878
    Abstract: A portable collapsible cart for use in self-service stores for carrying groceries, hardware and the like is disclosed. The cart has an upper compartment area and a lower planar area. The end walls of the upper compartment area and the lower planar area may be folded to permit the cart to be collapsed for easy transportability.
    Type: Grant
    Filed: October 31, 1988
    Date of Patent: September 4, 1990
    Inventor: Frank J. Sbragia