Granted Patent
Utility
US 6,326,344 · App. 09/491,915
Carpet spot removal composition
Inventor:
Mark Levitt
Patented Case
View Patent ↗
Granted: Dec 4, 2001
Filed: Jan 27, 2000
Inventor
Mark Levitt
Assignee (at issue)
ECOLAB 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.