Granted Patent
Utility
US 6,499,944 · App. 09/657,304
Turbo machine
Inventors:
Alexander Beeck, Peter Ernst, Shailendra Naik, Ulrich Rathmann
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Sep 7, 2000
Inventors
Alexander Beeck
Peter Ernst
Shailendra Naik
Ulrich Rathmann
Assignee (at issue)
ALSTOM Holdings
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.