Granted Patent
Utility
US 4,895,721 · App. 07/146,902
Peroxide gel dentifrice compositions
Inventor:
Jacob Drucker
Patented Case
View Patent ↗
Granted: Jan 23, 1990
Filed: Jan 22, 1988
Inventor
Jacob Drucker
Assignee (at issue)
Carter Wallace, 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.