Granted Patent
Utility
US 6,518,280 · App. 09/945,196
Imidazonaphthyridines
Inventors:
John F. Gerster, Kyle J. Lindstrom
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Aug 31, 2001
Inventors
John F. Gerster
Kyle J. Lindstrom
Assignee (at issue)
3M INNOVATIVE PROPERTIES COMPANY
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.