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13/03/1877 Earmuffs is patented

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Ear Muffs: Where did they come from? | Stuff of Genius

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Chester Greenwood Day celebrates earmuffs

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Daily Holiday - Ear Muff Day

Young inventor Chester Greenwood of Farmington, Maine, patented a new device to keep ears warm in frost. He bended a piece of wire and asked his grandmother to saw two beaver fur pads which he attached to the wire. By his mid-twenties, he was selling 50,000 earmuffs yearly. March 13 is celebrated as a National Earmuff Day.
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