Ohio Inventors

A new idea, method, or device.

• patent

• laboratory

• innovation

• idea

An official document that gives an inventor the only right to make, sell, or use his or her invention.

• innovation

• patent

• laboratory

• letter

Invented the phonograph and the incandescent light bulb.

• Charles F. Kettering

• James M. Spangler

• Elisha Gray

• Thomas Edison

A building or room where experiments take place.

• laboratory

• innovation

• patent

• warehouse

Invented an electric-starter and ignition to improve cars.

• Alexander Winton

• Harvey Firestone

• Charles F. Kettering

• Garrett Morgan

Who made the first gasoline powered automobile to be sold in the United States?

• Charles F. Kettering

• Harvey Firestone

• Thomas Edison

• Alexander Winton

Who took a risk and opened a factory that attached rubber tires to carriage wheels? He also made them for automobiles?

• Harvey Firestone

• Charles F. Kettering

• Alexander Winton

• James M. Spangler

He made the first electric railway powered by overhead wires and a telegraph system that allowed messages to be sent from moving trains.

• Charles F. Brush

• Garrett Morgan

• Granville T. Woods

• James M. Spangler

Who invented the arc lamp?

• Granville T. Woods

• Charles F. Brush

• Thomas Edison

• Harvey Firestone

Who invented the traffic signal?

• Granville T. Woods

• Charles F. Brush

• The Wright Family

• Garrett Morgan