Granted Patent
Utility
US 4,472,500 · App. 06/281,038
Rat myeloma cell lines
Inventors:
Cesar Milstein, Bruce W. Wright
Patented Case
View Patent ↗
Granted: Sep 18, 1984
Filed: Jul 7, 1981
Inventors
Cesar Milstein
Bruce W. Wright
Assignee (at issue)
NATIONAL RESEARCH DEVELOPMENT CORPORATION
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.