Granted Patent
Utility
US 5,729,969 · App. 08/647,063
Device for bleeding off and cooling hot air in an aircraft engine
Inventor:
Alain Porte
Patented Case
View Patent ↗
Granted: Mar 24, 1998
Filed: May 9, 1996
Inventor
Alain Porte
Assignee (at issue)
Aerospatiale Societe Nationale Industrielle
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.