Patents by Inventor Theodore Rogers Waugh

Theodore Rogers Waugh 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 prosthesis
    Patent number: 4021864
    Abstract: A partial prosthesis for a human ankle joint has a metal tibial member with a flat triangular stem, which is implanted in the tibia. The base of the tibial member has a hollow toroidal section in its bottom. The talar member has an upper toroidal section which is engaged by that in the tibial member to provide articulation in the lateral/medial plane and in the anterior/posterior plane with inherent torsional stability.
    Type: Grant
    Filed: April 14, 1976
    Date of Patent: May 10, 1977
    Assignee: The Regents of the University of California
    Inventor: Theodore Rogers Waugh