On this day in 1877, amateur inventor Chester Greenwood received a patent for his new and improved style of earmuffs.See <a href="https://omnystudio.com/listener">omnystudio.com/listener</a> for privacy information.

On this day in 1877, amateur inventor Chester Greenwood received a patent for his new and improved style of earmuffs. See omnystudio.com/listener for privacy information.

On this day in 1877, amateur inventor Chester Greenwood received a patent for his new and improved style of earmuffs.See <a href="https://omnystudio.com/listener" rel="noopener noreferrer">omnystudio.com/listener</a> for privacy information.

Chester Greenwood patents the modern-day earmuff - March 13th, 1877

From the desk of “Stuff You Missed in History Class,” “This Day in History Class” quickly recounts a tidbit from today’s events in history.

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Chester Greenwood patents the modern-day earmuff - March 13th, 1877

Chester Greenwood patents the modern-day earmuff - March 13th, 1877