Granted Patent
Utility
US 6,134,880 · App. 09/002,018
Turbine engine with intercooler in bypass air passage
Inventor:
Tsukasa Yoshinaka
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Dec 31, 1997
Inventor
Tsukasa Yoshinaka
Assignee (at issue)
Concepts ETI, Inc.
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.