Granted Patent
Utility
US 4,590,274 · App. 06/688,382
Antihypertensive 1-[bis-(substituted phenyl)methyl]-4[2-(1,2,3,4-tetrahydro-substituted naphthalen-1-ylidene)ethyl]piperazines
Inventor:
Anthony J. Cocuzza
Patented Case
View Patent ↗
Granted: May 20, 1986
Filed: Jan 3, 1985
Inventor
Anthony J. Cocuzza
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND 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.