Granted Patent
Utility
US 4,710,163 · App. 06/872,086
Detection of fluid flow faults in the parenteral administration of fluids
Inventor:
Robert D. Butterfield
Patented Case
View Patent ↗
Granted: Dec 1, 1987
Filed: Jun 6, 1986
Inventor
Robert D. Butterfield
Assignee (at issue)
IVAC Corporation
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.