Granted Patent
Utility
US 4,517,291 · App. 06/523,168
Biological detection process using polymer-coated electrodes
Inventor:
James L. Seago
Patented Case
View Patent ↗
Granted: May 14, 1985
Filed: Aug 15, 1983
Inventor
James L. Seago
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.