Granted Patent
Utility
US 4,666,863 · App. 06/582,591
Immunoassay with chromatographic medium and labelled reagent
Inventors:
John C. Edwards, Gerald John Allen, John K. Martin, Malcolm Robert Summers
Patented Case
View Patent ↗
Granted: May 19, 1987
Filed: Feb 22, 1984
Inventors
John C. Edwards
Gerald John Allen
John K. Martin
Malcolm Robert Summers
Assignee (at issue)
Amersham International PLC
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.