Granted Patent
Utility
US 6,303,622 · App. 09/117,583
Benzo[c]quinolizine derivatives, their preparation and use as 5.alpha.-reductases inhibitors
Inventors:
Antonio Guarna, Mario Serio
Patented Case
View Patent ↗
Granted: Oct 16, 2001
Filed: Jul 29, 1998
Inventors
Antonio Guarna
Mario Serio
Assignee (at issue)
APPLIED RESEARCH SYSTEMS ARS HOLDING N.V.
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.