Granted Patent
Utility
US 6,159,449 · App. 08/832,827
Dentifrice products and methods for remineralizing and/or mineralizing teeth
Inventors:
Anthony E. Winston, Norman Usen
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Apr 3, 1997
Inventors
Anthony E. Winston
Norman Usen
Assignee (at issue)
Enamelon, 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.