Granted Patent
Utility
US 5,776,413 · App. 08/743,181
Chemical mode of operation of a water/steam cycle
Inventors:
Werner Kamberger, Erhard Liebig
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Nov 5, 1996
Inventors
Werner Kamberger
Erhard Liebig
Assignee (at issue)
Asea Brown Boveri, S.A.
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.