Granted Patent
Utility
US 5,593,994 · App. 08/314,991
Prostaglandin synthase inhibitors
Inventors:
Douglas G. Batt, Donald J. P. Pinto, Michael J. Orwat, Joseph J. Petraitis, William J. Pitts
Patented Case
View Patent ↗
Granted: Jan 14, 1997
Filed: Sep 29, 1994
Inventors
Douglas G. Batt
Donald J. P. Pinto
Michael J. Orwat
Joseph J. Petraitis
William J. Pitts
Assignee (at issue)
The DuPont Merck Pharmaceutical 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.