1934–1945
Paul Wolff, 1930
Dr. Wolff & Tritschler OHG, 1930
Paul Wolff, 1937
Dr. Wolff & Tritschler OHG, 1935
Dr. Wolff & Tritschler OHG, 1942
Dr. Wolff & Tritschler OHG, 1934
Dr. Wolff & Tritschler OHG, 1940
Paul Wolff, 1934