Granted Patent
Utility
US 5,004,689 · App. 07/031,042
DNA sequences, recombinant DNA molecules and processes for producing human gamma interferon-like polypeptides in high yields
Inventors:
Walter Fiers, Bernard Allet
Patented Case
View Patent ↗
Granted: Apr 2, 1991
Filed: Mar 27, 1987
Inventors
Walter Fiers
Bernard Allet
Assignee (at issue)
Biogen, Massachusetts
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.