Granted Patent
Utility
US 6,805,781 · App. 10/233,819
Electrode device with a solid state reference system
Inventors:
Poul Ravn Sørensen, Birgit Zachau-Christiansen
Patented Case
View Patent ↗
Granted: Oct 19, 2004
Filed: Aug 29, 2002
Inventors
Poul Ravn Sørensen
Birgit Zachau-Christiansen
Assignee (at issue)
Radiometer Medical ApS
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.