Granted Patent
Utility
US 5,944,528 · App. 08/901,261
Chlorine dioxide tooth whitening compositions
Inventor:
R. Eric Montgomery
Patented Case
View Patent ↗
Granted: Aug 31, 1999
Filed: Jul 28, 1997
Inventor
R. Eric Montgomery
Assignee (at issue)
Idex Dental Sciences, 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.