Granted Patent
Utility
US 5,290,763 · App. 07/689,459
Osteoinductive protein mixtures and purification processes
Inventors:
James W. Poser, James J. Benedict
Patented Case
View Patent ↗
Granted: Mar 1, 1994
Filed: Apr 22, 1991
Inventors
James W. Poser
James J. Benedict
Assignee (at issue)
Intermedics Orthopedics/ Denver, 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.