Granted Patent
Utility
US 5,599,503 · App. 07/797,500
Detector cell
Inventors:
Andreas Manz, Elisabeth Verpoorte
Patented Case
View Patent ↗
Granted: Feb 4, 1997
Filed: Nov 22, 1991
Inventors
Andreas Manz
Elisabeth Verpoorte
Assignee (at issue)
Ciba-Geigy
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.