Granted Patent
Utility
US 4,473,638 · App. 06/370,927
Specific binding assay
Inventor:
Karen Auditore-Hargreaves
Patented Case
View Patent ↗
Granted: Sep 25, 1984
Filed: Apr 22, 1982
Inventor
Karen Auditore-Hargreaves
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.