Granted Patent
Utility
US 4,897,471 · App. 07/099,096
Consensus human leukocyte interferon
Inventor:
Yitzhak Stabinsky
Patented Case
View Patent ↗
Granted: Jan 30, 1990
Filed: Sep 21, 1987
Inventor
Yitzhak Stabinsky
Assignee (at issue)
Amgen 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.