Granted Patent
Utility
US 5,603,922 · App. 08/512,473
Processes and compositions for the remineralization of teeth
Inventors:
Anthony E. Winston, Norman Usen
Patented Case
View Patent ↗
Granted: Feb 18, 1997
Filed: Aug 8, 1995
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.