Granted Patent
Utility
US 6,644,013 · App. 09/463,231
Gas turbine power generation equipment and air humidifying apparatus
Inventors:
Shigeo Hatamiya, Masahiko Yamagishi, Osamu Yokomizo
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Jan 21, 2000
Inventors
Shigeo Hatamiya
Masahiko Yamagishi
Osamu Yokomizo
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.