This Day in Patent History - Chester Greenwood Day" is celebrated in the honor of the invention of earmuffs

PatentYogi_This Day in Patent History_March 13

On March 13, 1877, Chester Greenwood received a patent for earmuffs. Chester Greenwood invented the earmuff in 1873, at the age of 15. He reportedly came up with the idea while ice skating, and had his grandmother sew tufts of fur between loops of wire.


He was awarded patent #188,292 on March 13, 1877.


He manufactured these ear protectors, providing jobs for people in the Farmington, Maine area, for nearly 60 years. Every year, on the first Saturday of December, the town of Farmington celebrates “Chester Greenwood Day” with a variety of activities.

Image Credit -
Image Credit –

A parade in Chester’s honor is a part of the festivities.

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Image Credit –


Image Credit - Downtown Farmington
Image Credit – Downtown Farmington

Everyone participating in the parade must wear earmuffs.

Image Credit - Daily Bulldog
Image Credit – Daily Bulldog


Source: Wikipedia

Patent Information
Publication number: US188292 A
Patent Title: Improvement in ear-mufflers
Publication type: Grant
Publication date: 13 Mar 1877
Filing date: 8 Feb 1877
Inventors: Chestee Geeenwood