Granted Patent
Utility
US 6,109,019 · App. 09/031,677
Steam cooled gas turbine system
Inventor:
Hideaki Sugishita
Patented Case
View Patent ↗
Granted: Aug 29, 2000
Filed: Feb 27, 1998
Inventor
Hideaki Sugishita
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.