Granted Patent
Utility
US 6,189,211 · App. 09/307,735
Method and arrangement for carrying out repair and/or maintenance work in the inner casing of a multishell turbomachine
Inventor:
Roger Suter
Patented Case
View Patent ↗
Granted: Feb 20, 2001
Filed: May 10, 1999
Inventor
Roger Suter
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.