Jovair

Jovair (originally the Helicopter Engineering Research Corporation) was established by Drago Jovanovich at Philadelphia in 1946 to produce helicopters. The firm was taken over by McCulloch Aircraft Corporation, along with its two most promising designs, the J-2 and the JOV-3.

References

Gunston, Bill (1993). World Encyclopedia of Aircraft Manufacturers. Annapolis: Naval Institute Press. p. 162.