Granted Patent
Utility
US 5,679,342 · App. 08/097,853
Hepatitis C virus infected cell systems
Inventors:
Michael Houghton, Kathelyn Steimer, Amy J. Weiner
Patented Case
View Patent ↗
Granted: Oct 21, 1997
Filed: Jul 27, 1993
Inventors
Michael Houghton
Kathelyn Steimer
Amy J. Weiner
Assignee (at issue)
Chiron 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.