Granted Patent
Utility
US 5,369,717 · App. 07/930,690
Optical waveguide assay unit and method of improving assay sensitivity using same
Inventor:
John W. Attridge
Patented Case
View Patent ↗
Granted: Nov 29, 1994
Filed: Oct 5, 1992
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.