Granted Patent
Utility
US 6,444,671 · App. 10/002,867
Cyclic AMP-specific phosphodiesterase inhibitors
Inventor:
John Gaudino
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Nov 15, 2001
Inventor
John Gaudino
Assignee (at issue)
ICOS 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.