Granted Patent
Utility
US 4,460,487 · App. 06/371,981
Rinse cycle fabric softener with bleach
Inventors:
Ronald A. Robinson, Wendie T. Graf, George D. Evans
Patented Case
View Patent ↗
Granted: Jul 17, 1984
Filed: Apr 26, 1982
Inventors
Ronald A. Robinson
Wendie T. Graf
George D. Evans
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.