Granted Patent
Utility
US 5,705,581 · App. 08/474,162
Fluoride ion releasing dental materials
Inventors:
Wilmer K. Fife, Martel Zeldin, Slawomir Rubinsztajn
Patented Case
View Patent ↗
Granted: Jan 6, 1998
Filed: Jun 7, 1995
Inventors
Wilmer K. Fife
Martel Zeldin
Slawomir Rubinsztajn
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.