Patents by Inventor Febo R. Negri

Febo R. Negri 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).

  • Patent number: 5066232
    Abstract: An alkaline product destined to be used in odontiatria for the chemical removal of dentinal pulp in the devitalization operation, the so-said "root canal cure".
    Type: Grant
    Filed: October 4, 1990
    Date of Patent: November 19, 1991
    Assignee: Biomedic S.r.l.
    Inventors: Febo R. Negri, Ercole Tomasini