Granted Patent
Utility
US 6,116,542 · App. 09/148,150
Door system for a passenger aircraft
Inventor:
Hannes Erben
Patented Case
View Patent ↗
Granted: Sep 12, 2000
Filed: Sep 3, 1998
Inventor
Hannes Erben
Assignee (at issue)
Eurocopter 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.