Granted Patent
Utility
US 5,856,203 · App. 08/663,243
Sensor device for sandwich assay
Inventors:
Grenville Arthur Robinson, Janys Elizabeth Fletcher
Patented Case
View Patent ↗
Granted: Jan 5, 1999
Filed: Jul 17, 1996
Inventors
Grenville Arthur Robinson
Janys Elizabeth Fletcher
Assignee (at issue)
APPLIED RESEARCH SYSTEMS ARS HOLDING N.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.