Granted Patent
Utility
US 6,370,866 · App. 09/754,383
Coolant recovery type gas turbine
Inventors:
Shinya Marushima, Manabu Matsumoto, Kazuhiko Kawaike, Takashi Ikeguchi, Takashi Machida, Masaru Sekihara
Patented Case
View Patent ↗
Granted: Apr 16, 2002
Filed: Jan 5, 2001
Inventors
Shinya Marushima
Manabu Matsumoto
Kazuhiko Kawaike
Takashi Ikeguchi
Takashi Machida
Masaru Sekihara
Assignee (at issue)
HITACHI, LTD.
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.