Granted Patent
Utility
US 6,792,746 · App. 10/341,390
Separated core engine type turbofan engine
Inventors:
Yoshio Saito, Masanori Endo, Yukio Matsuda, Nanahisa Sugiyama, Takeshi Tagashira
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Jan 14, 2003
Inventors
Yoshio Saito
Masanori Endo
Yukio Matsuda
Nanahisa Sugiyama
Takeshi Tagashira
Assignee (at issue)
National Aerospace Laboratory of Japan
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.