Granted Patent
Utility
US 6,077,539 · App. 08/966,506
Treatment of migraine headache
Inventors:
John R. Plachetka, Zakauddin T. Chowhan
Patented Case
View Patent ↗
Granted: Jun 20, 2000
Filed: Nov 10, 1997
Inventors
John R. Plachetka
Zakauddin T. Chowhan
Assignee (at issue)
POZEN 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.