Granted Patent
Utility
US 6,053,701 · App. 09/125,882
Gas turbine rotor for steam cooling
Inventors:
Taku Ichiryu, Yasuoki Tomita
Patented Case
View Patent ↗
Granted: Apr 25, 2000
Filed: Aug 27, 1998
Inventors
Taku Ichiryu
Yasuoki Tomita
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.