Granted Patent
Utility
US 4,687,747 · App. 06/626,781
Phenanthridinium ester as a labelling compound in luminometric immunoassay
Inventor:
Wayne H. T. Lin
Patented Case
View Patent ↗
Granted: Aug 18, 1987
Filed: Jul 2, 1984
Inventor
Wayne H. T. Lin
Assignee (at issue)
MALLINCKRODT LLC
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.