Famous Inventors
This inventor invented electricity.
Who is Thomas Edison?
A government document giving an inventor the exclusive right to make and sell his or her invention for a specific amount of years.
What is a patent?
A Scottish immigrant invented the telephone.
Who is Alexander Grahm Bell?
A machine that produces an electrical current.
What is a generator?
He came from England and invented the Bessemer Steel Process.
Who is Henry Bessemer?
Invented the first practical typewriter in 1867.
Who is Jan Matzeliger?