Granted Patent
Utility
US 6,740,030 · App. 10/040,972
Endoscope assemblies having working channels with reduced bending and stretching resistance
Inventors:
Stephen Martone, Katsumi Oneda
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Jan 4, 2002
Inventors
Stephen Martone
Katsumi Oneda
Assignee (at issue)
Vision Sciences, 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.