Granted Patent
Utility
US 6,555,513 · App. 09/778,177
Detergent compositions
Inventor:
Amrat Paul Singh
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Feb 7, 2001
Inventor
Amrat Paul Singh
Assignee (at issue)
Unilever Home & Personal Care USA, Division of Conopco, 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.