Granted Patent
Utility
US 4,381,591 · App. 06/245,580
Method of assembling medical flushing valve
Inventors:
Larry N. Barger, Kenneth R. McCord
Patented Case
View Patent ↗
Granted: May 3, 1983
Filed: Mar 20, 1981
Inventors
Larry N. Barger
Kenneth R. McCord
Assignee (at issue)
American Hospital Supply Corp.
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.