An engineer, Igor Sikorski, invented the helicopter.
No African American invented the helicopter. The first practical helicopter was invented by Igor Sikorski, a Russian American.
1944
no, he did not invent the helicopter He invented the Gramaphone and the early microphone Hope that this answer helps you!
who invited what leonardo de caprio 1845 invented a tank like object and a helicopter why dont u google stuff goodbye
a group or scientists in portugal.just kidding.australia
I am wondering where was helicopter invented?
Nobody invented the helicopter in 1918
No African American invented the helicopter. The first practical helicopter was invented by Igor Sikorski, a Russian American.
Igor Sikorsky invented the first practical helicopter around 1940
Igor Sikorsky invented the helicopter.
no
Igor Sikorski invented the first practical flying helicopter.
J. T awston invented the helicopter (black male)
That is Igor Sikorski, and he was in his 40 's when he invented the first practical helicopter.
Igor Sikorski, a Russian born American, invented the first practical helicopter.
Igor Sikorski perfected helicopter hovering
The helicopter was first used as a troop transport.