Granted Patent
Utility
US 5,492,840 · App. 07/681,544
Surface plasmon resonance sensor unit and its use in biosensor systems
Inventors:
Magnus Malmqvist, Robert Karlsson, Inger Ronnberg
Patented Case
View Patent ↗
Granted: Feb 20, 1996
Filed: May 10, 1991
Inventors
Magnus Malmqvist
Robert Karlsson
Inger Ronnberg
Assignee (at issue)
Pharmacia Biosensor AB
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.