Granted Patent
Utility
US 5,405,997 · App. 08/156,474
Antiarrhythmic methanesulfonamides
Inventors:
Jackson B. Hester, Jr., Salvatore Charles Perricone, J. Kenneth Gibson
Patented Case
View Patent ↗
Granted: Apr 11, 1995
Filed: Nov 23, 1993
Inventors
Jackson B. Hester, Jr.
Salvatore Charles Perricone
J. Kenneth Gibson
Assignee (at issue)
The Upjohn Co.
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.