Granted Patent
Utility
US 4,863,430 · App. 07/089,600
Introduction set with flexible trocar with curved cannula
Inventors:
Henry A. Klyce, Benjamin Clawson
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Aug 26, 1987
Inventors
Henry A. Klyce
Benjamin Clawson
Assignee (at issue)
Surgical Dynamics, 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.