Granted Patent
Utility
US 5,037,639 · App. 07/356,201
Methods and compositions for mineralizing calcified tissues
Inventor:
Ming-Sheng Tung
Patented Case
View Patent ↗
Granted: Aug 6, 1991
Filed: May 24, 1989
Inventor
Ming-Sheng Tung
Assignee (at issue)
American Dental Association Health Foundation
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.