Patents by Inventor Mary Jo Rossini

Mary Jo Rossini 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).

  • Stethoscope chestpiece having two suspended diaphragms
    Patent number: 5945640
    Abstract: A stethoscope has a dual-sided stethoscope head. The stethoscope head includes a body member having first and second opposite sound collecting sides. Each of the first and second sound collecting sides has a suspended diaphragm member. Preferably, one side is specially adapted for use with adult patients while the other side is specially adapted for use with pediatric or thin patients where it is difficult to obtain good surface contact.
    Type: Grant
    Filed: August 1, 1997
    Date of Patent: August 31, 1999
    Assignee: 3M Innovative Properties Company
    Inventors: Mary Jo Rossini, Thomas J. Packard
  • Ear tips having a plurality of ear contacting surfaces
    Patent number: 5824968
    Abstract: An ear tip having a central portion and two end portions is described. The end portions each have ear contacting surfaces that are sized and shaped to contact the ear of the user. The ear tips are easily cleaned. The ear tips also contribute to user comfort and convenience.
    Type: Grant
    Filed: September 3, 1997
    Date of Patent: October 20, 1998
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Thomas J. Packard, Mary Jo Rossini
  • Identification tag
    Patent number: D381366
    Type: Grant
    Filed: November 7, 1995
    Date of Patent: July 22, 1997
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Mary Jo Rossini, Joy A. Packard, Thomas J. Packard