they invented the sled because of the snow.
some of their inventors are Judelio he invented the screw also Melophites and he invented the colliseum
None invented them.
Crowthers
That is literally dozens of inventors.
They are called 'inventors' and there are millions of them.
Africans invented running water. Ancient Egyptians were the inventors.
Algebra was invented by Muslims in ancient times.
No one nos yet when it was invented but the inventors name is hamlet nicholson
They are often considered the inventors of the aeroplane.
Larry Page and Sergey Brin invented Google.
Only one, the guy who invented the blunt
Very good question. Depending on what is being "invented" will determine the number of inventors. If an idea is considered an invention, then there are as many inventors as there are people :) But if if you wondering how many inventors there are concerning the "Slap Chop", there are probably around 4 or 5.