__NOTOC__ D K Jovanovich 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 __NOTOC__ The McCulloch Aircraft Corporation was the aircraft division of the McCulloch Motors Corporation. McCulloch acquired Helicopter Engineering Research Corp in 1951. It manufactured two innovative helicopter designs – the tandem-rotor ...

, the aircraft division of the

McCulloch Motors Corporation McCulloch Motors Corporation is an American manufacturer of chainsaws and other outdoor power tools. The company was founded in Milwaukee, Wisconsin, in 1943 by Robert Paxton McCulloch as a manufacturer of small two-stroke gasoline engines and ...

, 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.

References

* Companies based in Philadelphia Companies based in El Segundo, California Defunct helicopter manufacturers of the United States {{aero-corp-stub