Granted Patent
Utility
US 5,989,182 · App. 08/994,537
Device-steering shaft assembly and endoscope
Inventors:
Koichiro Hori, Philip R. Lichtman, David I. Freed
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Dec 19, 1997
Inventors
Koichiro Hori
Philip R. Lichtman
David I. Freed
Assignee (at issue)
Vista Medical Technologies, 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.