Granted Patent
Utility
US 6,372,502 · App. 08/341,269
Retroviral packaging cell lines and processes of using same
Inventors:
Arthur Bank, Dina G. Markowitz, Stephen P. Goff
Patented Case
View Patent ↗
Granted: Apr 16, 2002
Filed: Nov 17, 1994
Inventors
Arthur Bank
Dina G. Markowitz
Stephen P. Goff
Assignee (at issue)
THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK
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.