Patents by Inventor Bartolo Rizzo

Bartolo Rizzo 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).

  • Anchor device
    Patent number: 5088681
    Abstract: Anchor device for use on the stake of a beach umbrella, including a main body having a semi-circular cross-section and a flight that extends helically around the main body and is fastened to it at two longitudinally-spaced position lines of contact therewith.
    Type: Grant
    Filed: May 17, 1991
    Date of Patent: February 18, 1992
    Assignee: Rudolph J. Procaccianti
    Inventors: Rudolph J. Procaccianti, Bartolo Rizzo