1940–1943
Paul Wolff, 1935
Dr. Wolff & Tritschler OHG, 1933
Dr. Wolff & Tritschler OHG, 1930
Paul Wolff, 1936
Dr. Wolff & Tritschler OHG, 1942
Paul Wolff, 1934
Dr. Wolff & Tritschler OHG, 1934
Dr. Wolff & Tritschler OHG, 1935