Patents by Inventor Mary Elizabeth Schmidt

Mary Elizabeth Schmidt 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).

  • Hip joint prosthesis
    Patent number: 5904720
    Abstract: A joint prosthesis having two mutually articulating components that are made of a metal alloy. One of the components is made of an alloy having a low carbon content (0.03 to 0.10 wt. %) and the other component is made of an alloy having a high carbon content (0.18 to 0.35 wt. %). The articulating components may be, for example, a hip head prosthesis and an acetabular cup prosthesis.
    Type: Grant
    Filed: August 12, 1997
    Date of Patent: May 18, 1999
    Assignee: Johnson & Johnson Professional, Inc.
    Inventors: Richard Farrar, Mary Elizabeth Schmidt