Granted Patent
Utility
US 4,487,830 · App. 06/378,290
Enzyme/immunofluorescent assay for autoantibodies
Inventors:
Stephen R. Coates, Walter Binder
Patented Case
View Patent ↗
Granted: Dec 11, 1984
Filed: May 14, 1982
Inventors
Stephen R. Coates
Walter Binder
Assignee (at issue)
American Hoechst Corporation
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.