3M Hit With $6 Million Punitive Damages by U.S. Jury in First Combat Earplug Trial Published on May 1, 2021 Business 764 views 3M Co was found liable on Friday for hearing damage suffered by three U.S. military veterans who accused the company of covering up design defects in its earplugs, a blow to 3M which faces more than 200,000 similar claims. More