Granted Patent
Utility
US 4,457,921 · App. 06/492,990
Method of reducing dental caries
Inventors:
John J. Stroz, Donald A. M. Mackay
Patented Case
View Patent ↗
Granted: Jul 3, 1984
Filed: May 9, 1983
Inventors
John J. Stroz
Donald A. M. Mackay
Assignee (at issue)
Nabisco Brands, 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.