American inventions are steam engine,first analoge watch,
communication
Major American inventions include the Voyager 1 spacecraft, the Saturn V rocket and the Advanced Research Projects Agency Network (ARPANET)
Benjamin Franklin is the American leader recognized for his scientific discoveries and inventions during the Enlightenment period.
Cat.
Transportation
the air brake is one
Burglar alarm-1852
The Knickerbocker rules for base ball!
Gatling Gun and The Rifle
Benjamin Fraklin
paper clip motor cyles