Granted Patent
Utility
US 4,804,492 · App. 07/133,770
Liquid sanitizing and cleaning compositions with diminished skin irritancy
Inventor:
Ernest Bernarducci
Patented Case
View Patent ↗
Granted: Feb 14, 1989
Filed: Dec 16, 1987
Inventor
Ernest Bernarducci
Assignee (at issue)
Sterling Drug, 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.