Granted Patent
Utility
US 4,343,812 · App. 06/155,977
Antidepressant 2-amino-and-2-(substituted amino)-cis-hexahydro-carbazoles, compositions and use
Inventor:
Leonard J. Fliedner, Jr.
Patented Case
View Patent ↗
Granted: Aug 10, 1982
Filed: Jun 3, 1980
Inventor
Leonard J. Fliedner, Jr.
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.