Granted Patent
Utility
US 5,695,317 · App. 08/746,938
Steam turbine
Inventor:
Urs Ritter
Patented Case
View Patent ↗
Granted: Dec 9, 1997
Filed: Nov 18, 1996
Inventor
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.