Granted Patent
Utility
US 5,631,170 · App. 08/351,338
Method for improving measurement precision in evanescent wave optical biosensor assays
Inventor:
John W. Attridge
Patented Case
View Patent ↗
Granted: May 20, 1997
Filed: Dec 12, 1994
Inventor
John W. Attridge
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.