Granted Patent
Utility
US 6,226,977 · App. 09/381,470
Bypass air volume control device for combustor used in gas turbine
Inventors:
Taku Ichiryu, Tadao Yashiki
Patented Case
View Patent ↗
Granted: May 8, 2001
Filed: Sep 21, 1999
Inventors
Taku Ichiryu
Tadao Yashiki
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.