Granted Patent
Utility
US 6,651,440 · App. 09/994,756
Steam cooling apparatus for gas turbine
Inventors:
Tomoka Tanaka, Koji Hiramoto, Yoshiyuki Kita
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Nov 28, 2001
Inventors
Tomoka Tanaka
Koji Hiramoto
Yoshiyuki Kita
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.