An unknown man, in the prehistoric times.
It was actually invented at least a couple of hundred years ago for horse-shoeing work. Inventor was probably an ingenious blacksmith, and it was possibly never even patented
Metals are not invented by anyone.
in 1810
No one invented metal. Metals are naturally occurring elements in the earths crust (and core)
The concept of a metal reactivity series was not invented by a single individual. It is a scientific idea that has been developed over time through the work of many scientists, researchers, and chemists who have studied the reactivity of metals.
The metal spoon was invented in the 6th century before christ by european armory shop owners.
Russia.
Gutenburg first invented printing that used separate metal letters.
Pastizzi, and the best food in the world. Also they invented Airports. Oh and Metal. They invented Metal.
The metal detector was invented in 1931 by Gerhard Fisher.
John Deere
sometime