Granted Patent
Utility
US 4,587,258 · App. 06/635,390
Angiotensin-converting enzyme inhibitors
Inventors:
Elijah H. Gold, Bernard R. Neustadt, Elizabeth M. Smith
Patented Case
View Patent ↗
Granted: May 6, 1986
Filed: Jul 30, 1984
Inventors
Elijah H. Gold
Bernard R. Neustadt
Elizabeth M. Smith
Assignee (at issue)
SCHERING CORPORATION
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.