Granted Patent
Utility
US 5,829,955 · App. 08/790,796
Steam turbine
Inventors:
Eiji Saito, Kiyoshi Namura, Masakazu Takasumi, Kazuo Ikeuchi, Masumi Katayose
Patented Case
View Patent ↗
Granted: Nov 3, 1998
Filed: Jan 30, 1997
Inventors
Eiji Saito
Kiyoshi Namura
Masakazu Takasumi
Kazuo Ikeuchi
Masumi Katayose
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.