Between 1934 and 1938 he was the designer for French coachbuilder Marcel Pourtout.
Pourtout, Emile Darl'mat, and Paulin collaborated in the creation of the revolutionary Eclipse roof, the first power-operated retractable hardtop, which was patented by Paulin in 1931 and in 1934 was used in the Peugeot 402BL Éclipse Décapotable, a small coupe [REF].