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Although the Apache helicopter was invented by McDonnell Douglas, it was built by boeing.
Igor Sikorski built the first practical helicopter
In 1901 at the age of 16, he built a working model of a helicopter.
Germany
Nobody, they built it
Mad skillz
Helicopters are built, not spawned.
The RAH-66 Comanche helicopter was designed and built by Boeing-Sikorsky.
The first operational helicopter was built in 1936, the Focke-Wulf Fw 61.
the first plane was built in 1903 the first helicopter was built in 1909
The first practical helicopter built was the Sikorsky VS300, as in pic.
Igor sikorsky