Granted Patent
Utility
US 5,352,195 · App. 07/935,785
Apparatus for intravenous regional anesthesia
Inventor:
James A. McEwen
Patented Case
View Patent ↗
Granted: Oct 4, 1994
Filed: Aug 27, 1992
Inventor
James A. McEwen
Assignee (at issue)
IVRA 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.