Granted Patent
Utility
US 5,930,998 · App. 08/760,334
Process and apparatus for preheating and deaeration of make-up water
Inventors:
Francisco Blangetti, Hans-Jurgen Eberle
Patented Case
View Patent ↗
Granted: Aug 3, 1999
Filed: Dec 4, 1996
Inventors
Francisco Blangetti
Hans-Jurgen Eberle
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.