Rainbow created power metal in the 1970s. Some of the earliest songs were Stargazer, Gates of Babylon, Kill the King etc. Which had power metal lyrics and solos. The solos were very fast to consider power metal.
But the band, Helloween combined speed metal with heavy metal and neoclassical metal and created the album keeper of the seven keys which sounds like modern day power metal.
Metals are not invented by anyone.
in 1810
No one invented metal. Metals are naturally occurring elements in the earths crust (and core)
The metal spoon was invented in the 6th century before christ by european armory shop owners.
They are a Power Metal and Symphonic Metal band.
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.
Dr norman invented the power juicer
Power steering was invented in 1926
The metal detector was invented in 1931 by Gerhard Fisher.
Power is a natural thing it was not invented by anybody. Natural things can not be invented only discovered.