Granted Patent
Utility
US 6,325,992 · App. 09/514,752
Calcium phosphate hydroxyapatite precursor and methods for making and using the same
Inventors:
Laurence C. Chow, Shozo Takagi
Patented Case
View Patent ↗
Granted: Dec 4, 2001
Filed: Feb 28, 2000
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.