Granted Patent
Utility
US 5,200,627 · App. 07/654,581
Apparatus and method for monitoring flow of infusion liquid
Inventor:
Jacques Chevallet
Patented Case
View Patent ↗
Granted: Apr 6, 1993
Filed: Feb 13, 1991
Inventor
Jacques Chevallet
Assignee (at issue)
Hospal Industrie
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.