1
Robert B Carlson, Barbara J Cosgrove, Paul T Meredith: Aircraft configuration with aft mounted engines. The Boeing Company, Hughes & Multer, December 11, 1990: US04976396 (35 worldwide citation)

An aircraft having two aft mounted prop engines on opposite sides of the fuselage. The side surfaces of the fuselage adjacent to the propellers are contoured so that each has an inwardly and rearwarding slanting forward region, a substantially longitudinally aligned intermediate region which is adja ...


2
Antonius J Van der Hoeven: Aircraft configuration with aft mounted engines and method. The Boeing Company, Hughes & Multer, September 4, 1990: US04953812 (6 worldwide citation)

An aircraft with two aft mounted prop engines. The side surface portions at the rear portion of the fuselage adjacent to the propellers are contoured from a standard optimized configuration to alleviate adverse effects on the pressure distribution pattern on the surfaces adjacent to the propellers. ...