Granted Patent
Utility
US 6,375,935 · App. 09/561,324
Calcium phosphate cements prepared from silicate solutions
Inventor:
Brent R. Constantz
Patented Case
View Patent ↗
Granted: Apr 23, 2002
Filed: Apr 28, 2000
Inventor
Brent R. Constantz
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.