Granted Patent
Utility
US 4,418,053 · App. 06/345,780
Dental prophylaxis compositions and their use
Inventors:
Joseph C. Muhler, Mark S. Putt
Patented Case
View Patent ↗
Granted: Nov 29, 1983
Filed: Feb 4, 1982
Inventors
Joseph C. Muhler
Mark S. Putt
Assignee (at issue)
THE TRUSTEES OF INDIANA UNIVERSITY
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.