Humphrey Davy, 1806
Wright Brothers or Orville and Wilbur Wright
Apple. It can be used to play music, games and surf the net.
Ole Kirk Christiansen
Alexander Graham Bell
Zacharias Janssen it is used to see objects that are too small for the naked eye.
A government license that prevents anyone, other than the inventors, from making, using, or selling an invention. People apply for patents to earn money from their ideas.
Joseph and Jaques Montgolfier