Granted Patent
Utility
US 4,977,077 · App. 07/185,218
Integrated solid-phase immunoassay
Inventors:
That T. Ngo, Raphael Wong
Patented Case
View Patent ↗
Granted: Dec 11, 1990
Filed: Apr 25, 1988
Inventors
That T. Ngo
Raphael Wong
Assignee (at issue)
BioProbe International, Inc.
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.