Granted Patent
Utility
US 5,208,219 · App. 07/655,313
Method for inducing bone growth
Inventors:
Yasushi Ogawa, David Schmidt, Rosa Armstrong, Ranga Nathan, Andrea Y. Thompson, Saeid Seyedin
Patented Case
View Patent ↗
Granted: May 4, 1993
Filed: Feb 14, 1991
Inventors
Yasushi Ogawa
David Schmidt
Rosa Armstrong
Ranga Nathan
Andrea Y. Thompson
Saeid Seyedin
Assignee (at issue)
Celtrix Pharmaceuticals, 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.