Granted Patent
Utility
US 4,604,388 · App. 06/753,325
Fused aromatic oxazepinones, thiazepinones, diazepinones and sulfur analogs thereof in a method of counteracting histamine
Inventors:
Charles A. Leonard, Bernard V. Franko, Albert D. Cale, Jr.
Patented Case
View Patent ↗
Granted: Aug 5, 1986
Filed: Jul 9, 1985
Inventors
Charles A. Leonard
Bernard V. Franko
Albert D. Cale, Jr.
Assignee (at issue)
A. H. Robins Company, Incorporated
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.