Granted Patent
Utility
US 4,602,249 · App. 06/612,375
Method and apparatus for detecting leaking valves in a volumetric infusion device
Inventor:
Martyn Stuart Abbott
Patented Case
View Patent ↗
Granted: Jul 22, 1986
Filed: May 21, 1984
Inventor
Martyn Stuart Abbott
Assignee (at issue)
Quest Medical, 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.