InventHelp Inventor Develops New Earmuff-Style Hearing Protectors for Laborers (NAM-420)

PITTSBURGH, May 30, 2024 /PRNewswire/ — “I work in manufacturing and thought there should be a way for supervisors and managers to see if workers are listening to music with earbuds under their protective earmuffs,” said an inventor, from Beech Bluff, Tenn., “so I invented the…