Granted Patent
Utility
US 5,989,247 · App. 08/649,963
Electro-surgical instrument with spline connection
Inventor:
James Ronald Chambers
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: May 15, 1996
Inventor
James Ronald Chambers
Assignee (at issue)
Smith & Nephew Endoscopy Inc.
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.