Granted Patent
Utility
US 5,152,910 · App. 07/775,283
Low-phosphate machine dishwashing detergents
Inventors:
Lenore E. Savio, Madeline P. Simpson, Raymond Brown
Patented Case
View Patent ↗
Granted: Oct 6, 1992
Filed: Oct 11, 1991
Inventors
Lenore E. Savio
Madeline P. Simpson
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.