Granted Patent
Utility
US 6,573,273 · App. 10/028,255
Urea substituted imidazoquinolines
Inventors:
Stephen L. Crooks, George W. Griesgraber, Kyle J. Lindstrom, Bryon A. Merrill, Michael J. Rice
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Dec 21, 2001
Inventors
Stephen L. Crooks
George W. Griesgraber
Kyle J. Lindstrom
Bryon A. Merrill
Michael J. Rice
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.