Boeing Aft double deck airplane (1990)

[Triton]

Title: Aft double deck airplane
Inventors: Christian K. E. Buchsel, Jerry J. Burns, Gary E. King
Assignee: The Boeing Company
Patent number: D326842
Filing date: Jan 18, 1990
Issue date: Jun 9, 1992

http://www.google.com/patents?id=qVcqAAAAEBAJ&printsec=abstract&zoom=4&source=gbs_overview_r&cad=0#v=onepage&q=&f=false