Patents by Inventor Florence Berlin

Florence Berlin 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: 5572990
    Abstract: A respiratory mask with an inner mask for covering the mouth and nose. The inner mask includes an inhalation valve, an exhalation valve and a voice aperture. A microphone mount is removably attached above the voice aperture. Two microphones are attached with one oriented toward the mouth and the other oriented toward the inhalation valve. The directional patterns of the first and second microphones are respectively perpendicular and parallel to the inside of the microphone mount. The mount takes the form of a signal printed circuit and replaces the conventional voice diaphragm of the mask.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: November 12, 1996
    Inventor: Florence Berlin