Granted Patent
Utility
US 5,658,291 · App. 08/537,044
Median ridge referencing patella cutting system
Inventor:
Richard C. Techiera
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Sep 29, 1995
Inventor
Richard C. Techiera
Assignee (at issue)
Johnson & Johnson Medical GMBH
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.