Granted Patent
Utility
US 6,378,274 · App. 09/525,082
Process for producing a water soluble package
Inventor:
Richard Harbour
Patented Case
View Patent ↗
Granted: Apr 30, 2002
Filed: Mar 14, 2000
Inventor
Richard Harbour
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.