Granted Patent
Utility
US 5,487,984 · App. 06/811,654
Processes for producing tumor necrosis factor
Inventors:
Bernard Allet, Eric H. Kawashima
Patented Case
View Patent ↗
Granted: Jan 30, 1996
Filed: Dec 20, 1985
Inventors
Bernard Allet
Eric H. Kawashima
Assignee (at issue)
Biogen 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.