Jovair
and Frank Kozloski founded the Helicopter Engineering Research Corporation in Philadelphia, Pennsylvania, in 1946, the predecessor of Jovair.
In 1949 Jovanovich and Kozloski transferred to the McCulloch [Aircraft Corporation], the aircraft division of the McCulloch [Motors Corporation], along with its two most promising designs, the J-2 and the JOV-3. In 1960 D K Jovanovich formed Jovair Corporation in El Segundo, California.