Granted Patent
Utility
US 4,287,079 · App. 06/155,571
Liquid cleanser formula
Inventor:
Ronald A. Robinson
Patented Case
View Patent ↗
Granted: Sep 1, 1981
Filed: Jun 2, 1980
Inventor
Ronald A. Robinson
Assignee (at issue)
PUREX CO., LTD.
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.