Granted Patent
Utility
US 5,290,146 · App. 08/070,934
Outer casing of a low-pressure part of a steam turbine
Inventor:
Rainer Erber
Patented Case
View Patent ↗
Granted: Mar 1, 1994
Filed: Jun 4, 1993
Inventor
Rainer Erber
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.