Granted Patent
Utility
US 5,286,752 · App. 07/757,083
Antiarrhythmic diarylamidines
Inventors:
Robert E. Johnson, Thomas E. D'Ambra
Patented Case
View Patent ↗
Granted: Feb 15, 1994
Filed: Sep 10, 1991
Inventors
Robert E. Johnson
Thomas E. D'Ambra
Assignee (at issue)
Sterling Winthrop 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.