Granted Patent
Utility
US 5,281,352 · App. 07/937,523
Low-phosphate machine dishwashing detergents
Inventors:
Lenore E. Savio, Raymond Brown
Patented Case
View Patent ↗
Granted: Jan 25, 1994
Filed: Aug 27, 1992
Inventors
Lenore E. Savio
Raymond Brown
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.