Granted Patent
Utility
US 4,427,693 · App. 06/316,661
Antiinflammatory 4,5-diaryl-.alpha.,.alpha.-bis (polyhalomethyl)-2-thiophenemethanamines
Inventor:
Stephen B. Haber
Patented Case
View Patent ↗
Granted: Jan 24, 1984
Filed: Nov 2, 1981
Inventor
Stephen B. Haber
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.