Patents by Inventor Marie-Claude Grenien

Marie-Claude Grenien 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).

  • Electronic stethescope
    Patent number: 5602924
    Abstract: The electronic stethoscope is designed to minimize the influence of the various types of noise while optimizing auscultation of the sounds of interest, and to enable a cardiologist to auscultate mechanical heart valves. It comprises a probe for sensing sounds of interest produced within a patient's body and for converting these sounds to an electric signal, and an audio amplifier and earphones for reproducing the sounds of interest in response to this electric signal.
    Type: Grant
    Filed: December 9, 1993
    Date of Patent: February 11, 1997
    Assignee: Theratechnologies Inc.
    Inventors: Jocelyn Durand, Louis-Gilles Durand, Marie-Claude Grenien