Granted Patent
Utility
US 4,960,154 · App. 07/246,342
Sanitary water valve
Inventor:
Christos Dagiantis
Patented Case
View Patent ↗
Granted: Oct 2, 1990
Filed: Sep 19, 1988
Inventor
Christos Dagiantis
Assignee (at issue)
American Standard 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.