Patents by Inventor Franklin G. Alvine

Franklin G. Alvine 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).

  • Ankle implant
    Patent number: 5326365
    Abstract: A replacement ankle joint includes a tibial member and a talar member. The tibial member has a bearing forming a concave surface which engages a curving dome surface of the talar member. The tibial member and talar member slide along the curved surfaces relative to one another to provide flexion and extension. The dome has tapering side walls which are complementary to side portions of the tibial bearing. The tibial member includes a wide base plate proximate the bearing which attaches to the tibia and fibula.
    Type: Grant
    Filed: April 10, 1992
    Date of Patent: July 5, 1994
    Inventor: Franklin G. Alvine