Granted Patent
Utility
US 5,854,257 · App. 08/809,580
Naphthyridinone derivatives
Inventors:
Bernard John Armitage, Bruce William Leslie
Patented Case
View Patent ↗
Granted: Dec 29, 1998
Filed: Apr 24, 1997
Inventors
Bernard John Armitage
Bruce William Leslie
Assignee (at issue)
Knoll, Inc.
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.