Granted Patent
Utility
US 5,994,091 · App. 08/779,201
Optical sensor for enzyme and enzyme substrates
Inventors:
John W. Attridge, Grenville Arthur Robinson
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: Jan 6, 1997
Inventors
John W. Attridge
Grenville Arthur Robinson
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.