Granted Patent
Utility
US 4,849,436 · App. 06/838,536
1,4-dihydropyridines
Inventor:
Gevork Minaskanian
Patented Case
View Patent ↗
Granted: Jul 18, 1989
Filed: Mar 11, 1986
Inventor
Gevork Minaskanian
Assignee (at issue)
Nelson Research & Development 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.