Granted Patent
Utility
US 6,742,991 · App. 10/192,676
Turbine blade and gas turbine
Inventors:
Friedrich Soechting, Satoshi Hada, Masamitsu Kuwabara, Junichiro Masada, Yasuoki Tomita
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Jul 11, 2002
Inventors
Friedrich Soechting
Satoshi Hada
Masamitsu Kuwabara
Junichiro Masada
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.