The telephone was invented by Alexander Graham Bell in 1876. Most people do no know this but a Scottish man Elisha Gray created one at almost the same time. Bell beat Gray to the patent office to claim the invention by just two hours.
The printing press was invented in 1450 by Johannes Gutenberg. It was important in allowing the knowledge of books spread outside the upper classes, church, and government.
Ice Cream Cone
Ice cream cone was invented by Italo Marchiony in 1896. He was an immigrant selling ice cream in his new home of New York City.
Duct tape was invented by the Johnson & Johnson Company. It was created to keep moisture out of ammunitions boxes for World War II soldiers.