Granted Patent
Utility
US 4,745,795 · App. 07/018,704
Apparatus for measuring gases dissolved in water
Inventor:
Hermann Emmert
Patented Case
View Patent ↗
Granted: May 24, 1988
Filed: Feb 25, 1987
Inventor
Hermann Emmert
Assignee (at issue)
Kraftwerk Union Aktiengesellschaft
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.