Granted Patent
Utility
US 6,413,501 · App. 09/173,935
Plaque-inhibiting oral compositions
Inventor:
Rie Tsuchiya
Patented Case
View Patent ↗
Granted: Jul 2, 2002
Filed: Oct 16, 1998
Inventor
Rie Tsuchiya
Assignee (at issue)
Novozymes A/S
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.