The life boat was patented in 1845!
In the early 1960's, Porsche commercially manufactured farm tractors.
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
A small airplane can fly backwards.
The ball on top of a flagpole is called a 'truck'.
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!