Granted Patent
Utility
US 5,833,958 · App. 08/244,846
Dentifrice compositions
Inventors:
Geoffrey Royston Doel, Andrew Smith
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: Jun 15, 1994
Inventors
Geoffrey Royston Doel
Andrew Smith
Assignee (at issue)
Ambi 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.