This Day in Auto History: 12.13.1904 Frank V. Whyland and Clarence P. Hollister, manufacturers of the Berkshire, are issued a United States patent for their progressive three-speed transmission 12.13.1918 Racer William “Bill” Vukovich (nee Vucerovich) is born in Alameda, CA 12.13.1923 Purfina SA is incorporated in Antwerp, Belgium 12.13.1935 Duesenberg, Inc. announces that assembly of the Duesenberg Model J has been completed and that most of their employees are being laid off indefinitely 12.13.1939 The first production Lincoln Continental is completed

Source: Automobile History Day By Day, by Douglas A. Wick