Granted Patent
Utility
US 6,539,702 · App. 09/158,149
Gas turbine exhaust passage and damper system for same having a non-enclosed porous peripheral wall
Inventors:
Masaharu Nishimura, Masazumi Kataoka, Michio Matsumoto, Yoshifumi Masuda
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Sep 22, 1998
Inventors
Masaharu Nishimura
Masazumi Kataoka
Michio Matsumoto
Yoshifumi Masuda
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.