Granted Patent
Utility
US 4,869,458 · App. 07/155,928
Liquid distribution valve
Inventors:
Etienne Susini, Pierrre Soubrier
Patented Case
View Patent ↗
Granted: Sep 26, 1989
Filed: Mar 2, 1988
Inventors
Etienne Susini
Pierrre Soubrier
Assignee (at issue)
Baxter International 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.