Granted Patent
Utility
US 5,476,647 · App. 08/120,856
Complex calcium and fluoride containing mouth rinses, dentifrices, and chewable tablets
Inventors:
Laurence C. Chow, Shozo Takagi
Patented Case
View Patent ↗
Granted: Dec 19, 1995
Filed: Sep 13, 1993
Inventors
Laurence C. Chow
Shozo Takagi
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.