1930–1945
Paul Wolff, 1930
Dr. Wolff & Tritschler OHG, 1930
Paul Wolff, 1934
Dr. Wolff & Tritschler OHG, 1937
Paul Wolff, 1937
Paul Wolff, 1927
Paul Wolff, 1935
Dr. Wolff & Tritschler OHG, 1940