Granted Patent
Utility
US 4,435,504 · App. 06/398,505
"Immunochromatographic assay with support having bound ""MIP"" and second enzyme"
Inventors:
Robert F. Zuk, David J. Litman
Patented Case
View Patent ↗
Granted: Mar 6, 1984
Filed: Jul 15, 1982
Inventors
Robert F. Zuk
David J. Litman
Assignee (at issue)
Syva 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.