Granted Patent
Utility
US 4,769,370 · App. 06/910,922
(1,2-dichloro-8-oxo-5a-substituted-5a,6,7,8 -tetrahydrodibenzofuran-3-yl)alkanoic acids and alkanimidamides
Inventors:
Otto W. Woltersdorf, Jr., Edward J. Cragoe, Jr.
Patented Case
View Patent ↗
Granted: Sep 6, 1988
Filed: Sep 24, 1986
Inventors
Otto W. Woltersdorf, Jr.
Edward J. Cragoe, Jr.
Assignee (at issue)
MERCK & CO., INC.
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.