Granted Patent
Utility
US 5,942,607 · App. 08/101,624
B7-2: a CTLA4/CD28 ligand
Inventors:
Gordon J. Freeman, Lee M. Nadler, Gary S. Gray
Patented Case
View Patent ↗
Granted: Aug 24, 1999
Filed: Jul 26, 1993
Inventors
Gordon J. Freeman
Lee M. Nadler
Gary S. Gray
Assignee (at issue)
Dana-Farber Cancer Institute, 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.