Granted Patent
Utility
US 5,288,636 · App. 07/627,667
Enzyme electrode system
Inventors:
Klaus Pollmann, Martin T. Gerber
Patented Case
View Patent ↗
Granted: Feb 22, 1994
Filed: Dec 14, 1990
Inventors
Klaus Pollmann
Martin T. Gerber
Assignee (at issue)
Boehringer Mannheim GmbH
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.