Granted Patent
Utility
US 5,589,448 · App. 08/474,353
High water liquid enzyme prewash composition
Inventors:
Michael R. Koerner, David L. Deleeuw
Patented Case
View Patent ↗
Granted: Dec 31, 1996
Filed: Jun 7, 1995
Inventors
Michael R. Koerner
David L. Deleeuw
Assignee (at issue)
The Clorox 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.