Granted Patent
Utility
US 4,833,150 · App. 07/002,008
1,4-dihydropyridines
Inventors:
Gevork Minaskanian, Vithal J. Rajadhyaksha
Patented Case
View Patent ↗
Granted: May 23, 1989
Filed: Jan 12, 1987
Inventors
Gevork Minaskanian
Vithal J. Rajadhyaksha
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.