Granted Patent
Utility
US 6,039,531 · App. 09/034,130
Gas turbine blade
Inventors:
Kiyoshi Suenaga, Yasuoki Tomita, Hiroki Fukuno
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: Mar 3, 1998
Inventors
Kiyoshi Suenaga
Yasuoki Tomita
Hiroki Fukuno
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.