Granted Patent
Utility
US 6,454,702 · App. 09/418,246
Endoscope and endoscopic instrument system having reduced backlash when moving the endoscopic instrument within a working channel of the endoscope
Inventor:
Kevin W. Smith
Patented Case
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Granted: Sep 24, 2002
Filed: Oct 14, 1999
Inventor
Kevin W. Smith
Assignee (at issue)
Scimed Life Systems, 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.