Granted Patent
Utility
US 5,725,813 · App. 08/601,693
Process for the production of spongiosa bone ceramic shaped articles
Inventor:
Berthold Nies
Patented Case
View Patent ↗
Granted: Mar 10, 1998
Filed: Feb 15, 1996
Inventor
Berthold Nies
Assignee (at issue)
Merck Patent GmbH
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.