Granted Patent
Utility
US 5,779,435 · App. 08/644,461
Low-pressure steam turbine
Inventors:
Heinrich Lageder, Urs Ritter
Patented Case
View Patent ↗
Granted: Jul 14, 1998
Filed: May 10, 1996
Inventors
Heinrich Lageder
Urs Ritter
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.