Granted Patent
Utility
US 6,415,621 · App. 09/795,230
Aircraft air conditioning system providing auxiliary ventilation
Inventors:
Uwe Buchholz, Juergen Kelnhofer, Thomas Scherer
Patented Case
View Patent ↗
Granted: Jul 9, 2002
Filed: Feb 27, 2001
Inventors
Uwe Buchholz
Juergen Kelnhofer
Thomas Scherer
Assignee (at issue)
AIRBUS DEUTSCHLAND GMBH
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.