Patents by Inventor Sergio S. Cortesi

Sergio S. Cortesi 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).

  • Metal-infibulum ceramic-head endoprosthesis
    Patent number: 4318190
    Abstract: A hipbone endoprosthesis comprises a metal-infibulum insertable into the femur medullar channel and a ceramic material spherical head associable with a portion of the infibulum provided for projecting from the medullar channel.The projecting portion is provided with a cylindrical shank having a reduced diameter portion whereat are formed axially extending annular ridges for coupling with the spherical head.
    Type: Grant
    Filed: September 5, 1979
    Date of Patent: March 9, 1982
    Inventor: Sergio S. Cortesi