Granted Patent
Utility
US 5,912,136 · App. 08/355,415
Monoclonal antibodies against human interleukin-4 and hybridomas producing the same
Inventors:
John S. Abrams, Isabelle Chretien, Frank Lee
Patented Case
View Patent ↗
Granted: Jun 15, 1999
Filed: Dec 12, 1994
Inventors
John S. Abrams
Isabelle Chretien
Frank Lee
Assignee (at issue)
SCHERING 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.