Granted Patent
Utility
US 5,755,801 · App. 08/276,850
Prostheses for knee replacement
Inventors:
Peter S. Walker, John N. Insall
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Jul 18, 1994
Inventors
Peter S. Walker
John N. Insall
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.