Granted Patent
Utility
US 6,235,697 · App. 09/569,665
Laundry detergent composition containing level protease enzyme
Inventors:
Joseph Knorr, Barbara Hepler, Mary Holmgren
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: May 12, 2000
Inventors
Joseph Knorr
Barbara Hepler
Mary Holmgren
Assignee (at issue)
Colgate-Palmolive Company
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.