Granted Patent
Utility
US 4,798,320 · App. 07/096,688
Ceramic-metal brazed joint for turbochargers
Inventor:
Ho Fang
Patented Case
View Patent ↗
Granted: Jan 17, 1989
Filed: Sep 15, 1987
Inventor
Ho Fang
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.