Granted Patent
Utility
US 5,482,646 · App. 08/243,081
Powder detergent composition for cold water laundering of fabrics
Inventor:
Louis R. Mazzola
Patented Case
View Patent ↗
Granted: Jan 9, 1996
Filed: May 16, 1994
Inventor
Louis R. Mazzola
Assignee (at issue)
Church & Dwight Co., 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.