Granted Patent
Utility
US 6,099,253 · App. 09/203,680
Gas turbine rotor blade
Inventors:
Ichiro Fukue, Eiji Akita, Kiyoshi Suenaga, Yasuoki Tomita
Patented Case
View Patent ↗
Granted: Aug 8, 2000
Filed: Dec 1, 1998
Inventors
Ichiro Fukue
Eiji Akita
Kiyoshi Suenaga
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.