Granted Patent
Utility
US 6,286,301 · App. 09/645,400
Gas turbine, combined cycle plant and compressor
Inventor:
Motoaki Utamura
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Aug 25, 2000
Inventor
Motoaki Utamura
Assignee (at issue)
HITACHI, 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.