Ledwinka ist der Familienname folgender Personen: June 22, 1915 - Joseph Lewinka, of Philadelphia, PA, received a patent for an "Automobile-Body"; design, construction of welded all-steel touring-car body; assigned to Edward G. Budd Mfg. Co. (Budd`s most valuable patent); http://www.businesshistorybooks.com/Automotive.htm --> ...