Granted Patent
Utility
US 4,804,744 · App. 06/904,563
Osteogenic factors
Inventor:
Arup Sen
Patented Case
View Patent ↗
Granted: Feb 14, 1989
Filed: Sep 5, 1986
Inventor
Arup Sen
Assignee (at issue)
International Genetic Engineering, Inc.
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.