Granted Patent
Utility
US 6,322,321 · App. 09/428,383
Nozzle chamber warming-up structure for a steam turbine
Inventors:
Ryotaro Magoshi, Takashi Nakano
Patented Case
View Patent ↗
Granted: Nov 27, 2001
Filed: Oct 28, 1999
Inventors
Ryotaro Magoshi
Takashi Nakano
Assignee (at issue)
MITSUBISHI ELECTRIC CORPORATION
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.