Granted Patent
Utility
US 5,766,197 · App. 08/752,430
Surgical cutting instrument with anti-torgue outer jacket
Inventor:
Ronald Porter
Patented Case
View Patent ↗
Granted: Jun 16, 1998
Filed: Nov 19, 1996
Inventor
Ronald Porter
Assignee (at issue)
Portlyn Corporation
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.