Granted Patent
Utility
US 4,759,348 · App. 06/306,086
Endoscope assembly and surgical instrument for use therewith
Inventor:
Charles D. Cawood
Patented Case
View Patent ↗
Granted: Jul 26, 1988
Filed: Sep 28, 1981
Inventor
Charles D. Cawood
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.