Granted Patent
Utility
US 4,697,632 · App. 06/387,708
Ceramic porous bodies suitable for use with superalloys
Inventor:
Nick G. Lirones
Patented Case
View Patent ↗
Granted: Oct 6, 1987
Filed: Jun 11, 1982
Inventor
Nick G. Lirones
Assignee (at issue)
Howmet Turbine Components Corporation
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.