Earmuff Patent
National Earmuff Day is today! Earmuffs were patented by Chester Greenwood of Farmington, Maine, in 1877. He was fifteen years old when he invented the Champion Ear Protectors. He had his grandmother add some fur to the ends of a piece of wire. He received Patent Number 188,292. His invention became a factory, employing community members. Children can view the patent at: Earmuff Patent.