Granted Patent
Utility
US 5,894,178 · App. 08/996,098
Rotor of a turbogenerator having pressure generating and deflecting flow cascode for direct gas cooling
Inventor:
Erno Stefan
Patented Case
View Patent ↗
Granted: Apr 13, 1999
Filed: Dec 22, 1997
Inventor
Erno Stefan
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.