Granted Patent
Utility
US 5,817,306 · App. 08/484,597
Method for treating graft versus host disease
Inventors:
John Stephen Haskill, Peter Ralph
Patented Case
View Patent ↗
Granted: Oct 6, 1998
Filed: Jun 7, 1995
Inventors
John Stephen Haskill
Peter Ralph
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.