Granted Patent
Utility
US 5,225,418 · App. 07/808,712
5H-(1,2)benzisothiazolo[2,3-a]quinoline-5-ones and analogs as antiinflammatory agents
Inventor:
William Henry Miller
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Dec 17, 1991
Inventor
William Henry Miller
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.