Patents by Inventor Sergio Rigonatti

Sergio Rigonatti 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).

  • Buccal protector
    Patent number: 6269816
    Abstract: A buccal protector made of a single, solid piece of polyurethane resin extracted from castor oil and having a basic dental arcade shape. The buccal protector may be molded from the polyurethane resin. The polyurethane resin preferably has an average polymer which comprehends A219 (type 2¼). The buccal protector includes an orifice for intubation.
    Type: Grant
    Filed: October 16, 1998
    Date of Patent: August 7, 2001
    Assignee: Fundacao Faculdade de Medicina
    Inventors: Sergio Rigonatti, Rita de Cassia D'Ottaviano Napole