Granted Patent
Utility
US 6,159,448 · App. 08/722,457
Products and methods for the remineralization and prevention of demineralization of teeth
Inventors:
Anthony E. Winston, Norman Usen
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Sep 27, 1996
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.