Granted Patent
Utility
US 6,746,322 · App. 10/182,084
Cabin pressure control system, method of controlling the actual pressure inside a cabin and outflow valve
Inventors:
Friedrich-Joachim Scheerer, Thomas Willenbrink
Patented Case
View Patent ↗
Granted: Jun 8, 2004
Filed: Jul 25, 2002
Inventors
Friedrich-Joachim Scheerer
Thomas Willenbrink
Assignee (at issue)
Nord-Micro GmbH & Co. OHG
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.