Granted Patent
Utility
US 4,921,699 · App. 07/257,900
Polypeptides having interferon activity
Inventors:
Thomas M. DeChiara, Stanley J. Tarnowski, Jr.
Patented Case
View Patent ↗
Granted: May 1, 1990
Filed: Oct 14, 1988
Inventors
Thomas M. DeChiara
Stanley J. Tarnowski, Jr.
Assignee (at issue)
HOFFMANN-LA ROCHE 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.