Granted Patent
Utility
US 6,813,889 · App. 10/083,360
Gas turbine combustor and operating method thereof
Inventors:
Hiroshi Inoue, Tomomi Koganezawa, Nariyoshi Kobayashi, Isao Takehara
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Feb 27, 2002
Inventors
Hiroshi Inoue
Tomomi Koganezawa
Nariyoshi Kobayashi
Isao Takehara
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.