His greatest successes, for the VEF Factory, were the sports plane VEF I-12 (1935) and the monoplane VEF I-16 (1939), used as a fighter.
Разработал легкий истребитель VEF I-16 с неубирающимся шасси (1939 год), спортивный самолет VEF I-12 (1935 год).