What was the initial product name when Greenwood transitioned his invention into manufacturing?

Answer

Champion Ear Protectors

When Greenwood began manufacturing his invention locally in Farmington, Maine, the product was initially branded as Champion Ear Protectors.

What was the initial product name when Greenwood transitioned his invention into manufacturing?

#Videos

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

The history of how earmuffs were invented by a Maine teenager

inventioninventor