Granted Patent
Utility
US 6,467,729 · App. 09/991,009
Method and arrangement for controlling the closing and opening operation of a passenger door of an aircraft
Inventors:
Wolfgang Buchs, Frank Uhlmann
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Nov 16, 2001
Inventors
Wolfgang Buchs
Frank Uhlmann
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.