Granted Patent
Utility
US 6,514,543 · App. 10/004,048
Tooth bleaching compositions
Inventor:
Robert E. Montgomery
Patented Case
View Patent ↗
Granted: Feb 4, 2003
Filed: Oct 31, 2001
Inventor
Robert E. Montgomery
Assignees (at issue)
R. Eric Montgomery
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.