Granted Patent
Utility
US 6,645,472 · App. 10/243,063
Oral hygiene powder composition and method
Inventor:
Michael R. Anderson
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Sep 13, 2002
Inventor
Michael R. Anderson
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.