Adler was a German automobile and motorcycle manufacturer from 1900 until 1957.
The Securus was a German automobile manufactured only in 1906.
The Kondor was a German automobile manufactured from 1902 until 1904.
The Wenkelmobil was a German automobile manufactured from 1904 until 1907.
The Staunau was a German automobile manufactured from 1950 until 1951.
The Kenter was a German automobile manufactured from 1923 until 1925.
The Ehrhardt was a German automobile manufactured from 1905 until 1924.
Similar systems are widely available in Japanese and German automobiles.
The Joswin was a German automobile manufactured from 1920 until 1924.
The Standard was a German automobile manufactured between 1911 and 1912.