Granted Patent
Utility
US 6,676,643 · App. 09/816,440
Anesthesia conduction catheter
Inventor:
Stephen Brushey
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Mar 23, 2001
Inventor
Stephen Brushey
Assignee (at issue)
Nicor, 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.