Granted Patent
Utility
US 4,266,021 · App. 05/968,202
Method and apparatus for the measurement of the concentration of a compound in a liquid medium
Inventors:
Ulf T. G. Nylen, Lars-Goran Olsson, Bengt Paulsson, Lars A. G. Qvarnstrom, Rolf H. L. Wichers
Patented Case
View Patent ↗
Granted: May 5, 1981
Filed: Dec 11, 1978
Inventors
Ulf T. G. Nylen
Lars-Goran Olsson
Bengt Paulsson
Lars A. G. Qvarnstrom
Rolf H. L. Wichers
Assignee (at issue)
Gambro 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.