Granted Patent
Utility
US 4,889,816 · App. 07/056,307
Process and apparatus for carrying out specific binding assays
Inventors:
Paul Davis, Philip Porter
Patented Case
View Patent ↗
Granted: Dec 26, 1989
Filed: Jun 1, 1987
Inventors
Paul Davis
Philip Porter
Assignee (at issue)
Unilever Patent Holdings B.V.
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.