Granted Patent
Utility
US 6,327,845 · App. 09/742,389
Gas turbine combustor by-pass valve device
Inventors:
Yasuhiro Ojiro, Koichi Akagi, Yoichi Iwasaki, Jun Kubota, Sunao Umemura
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: Dec 22, 2000
Inventors
Yasuhiro Ojiro
Koichi Akagi
Yoichi Iwasaki
Jun Kubota
Sunao Umemura
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.