1930–1945
Paul Wolff, 1937
Dr. Wolff & Tritschler OHG, 1940
Paul Wolff, 1935
Paul Wolff, 1934
Paul Wolff, 1930
Dr. Wolff & Tritschler OHG, 1933
Dr. Wolff & Tritschler OHG, 1935
Dr. Wolff & Tritschler OHG, 1937