Patents by Inventor John D. Bobyn

John D. Bobyn 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).

  • Orthopaedic prosthetic device possessing improved composite stem design
    Patent number: 4978358
    Abstract: A surgical prosthetic device or implant comprising a composite structure with an outer metallic component and a separate inner component comprised of the same or a different material. The outer component may be made of commercially pure titanium or a titanium alloy or of a cobalt-based alloy. The inner component may be made of a carbon composite material that may be reinforced or not reinforced with a polymeric material.
    Type: Grant
    Filed: June 21, 1989
    Date of Patent: December 18, 1990
    Assignee: Zimmer Inc.
    Inventor: John D. Bobyn