Granted Patent
Utility
US 5,509,934 · App. 08/351,552
Prosthetic knee tibial component constructed of synthetic polymeric material
Inventor:
Robert C. Cohen
Patented Case
View Patent ↗
Granted: Apr 23, 1996
Filed: Dec 7, 1994
Inventor
Robert C. Cohen
Assignee (at issue)
Osteonics Corp.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.