Granted Patent
Utility
US 5,151,348 · App. 07/288,912
Enzyme-linked immunoassay for measurement of cyclosporin a levels in whole blood samples
Inventors:
Hon-Peng P. Lau, Warren K. Miller
Patented Case
View Patent ↗
Granted: Sep 29, 1992
Filed: Dec 23, 1988
Inventors
Hon-Peng P. Lau
Warren K. Miller
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.