Granted Patent
Utility
US 5,739,108 · App. 08/570,304
Prolonged release of biologically active polypeptides
Inventor:
James W. Mitchell
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: Dec 11, 1995
Inventor
James W. Mitchell
Assignee (at issue)
Monsanto Company
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.