Patents by Inventor Marc Laurent Pifferi

Marc Laurent Pifferi 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: 4051559
    Abstract: A total prosthesis of the hip has a cotyloid portion to be inserted in the hip bone and a cephalic portion to be inserted in the femur, the cephalic portion fitting into the cotyloid portion, and the cephalic portion has a cylindrical helically threaded femoral shank portion to be screwed into the femur and a flat abutment surface perpendicular to the axis of the threaded portion for abutment against a correspondingly prepared surface of the bone.
    Type: Grant
    Filed: September 1, 1976
    Date of Patent: October 4, 1977
    Assignee: Mahay & Cie
    Inventor: Marc Laurent Pifferi