Patents by Inventor John Francis Lizak

John Francis Lizak 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).

  • Mobile bearing insert having offset dwell point
    Patent number: 8147557
    Abstract: A mobile tibial assembly includes a tibial tray and a tibial insert configured to move relative to the tibial tray. The tibial insert includes a platform having an upper bearing surface defining a dwell point of the upper bearing surface. The dwell point is spaced-apart from a center of the bearing surface.
    Type: Grant
    Filed: March 30, 2007
    Date of Patent: April 3, 2012
    Assignee: DePuy Products, Inc.
    Inventors: Jordan S. Lee, James M. Rhodes, John Francis Lizak
  • MOBILE BEARING INSERT HAVING OFFSET DWELL POINT
    Publication number: 20080243259
    Abstract: A mobile tibial assembly includes a tibial tray and a tibial insert configured to move relative to the tibial tray. The tibial insert includes a platform having an upper bearing surface defining a dwell point of the upper bearing surface. The dwell point is spaced-apart from a center of the bearing surface.
    Type: Application
    Filed: March 30, 2007
    Publication date: October 2, 2008
    Inventors: Jordan S. Lee, James M. Rhodes, John Francis Lizak