Patents by Inventor Nino M. Granatiero

Nino M. Granatiero 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).

  • Speech diaphragm and exhalation valve
    Patent number: 5385141
    Abstract: A combined speech diaphragm and exhalation valve for a respirator is formed as a unitary sub-assembly whereby the speech diaphragm is movable in unison with the exhalation valve.
    Type: Grant
    Filed: April 16, 1992
    Date of Patent: January 31, 1995
    Assignee: Siebe North, Inc.
    Inventor: Nino M. Granatiero