Granted Patent
Utility
US 4,784,586 · App. 06/919,748
Turbocharger having controlled heat transfer for bearing protection
Inventor:
I-Chung Ho
Patented Case
View Patent ↗
Granted: Nov 15, 1988
Filed: Oct 16, 1986
Inventor
I-Chung Ho
Assignee (at issue)
AlliedSignal, 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.