Granted Patent
Utility
US 6,572,334 · App. 09/996,692
Rotor of a directly gas-cooled electrical turbomachine
Inventors:
Daniel Hediger, Ernoe Stefan
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Nov 30, 2001
Inventors
Daniel Hediger
Ernoe Stefan
Assignee (at issue)
ALSTOM (Switzerland) Ltd
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.