3M Prevails Over Veteran in 10th Combat Earplug Test Trial

3M Co. and its Aearo Technologies LLC subsidiary emerged unscathed Friday from the 10th hearing-loss case to go to a jury in consolidated litigation over allegedly ineffective combat earplugs in federal court in Florida.

U.S. Army and Kentucky Army National Guard veteran Carter Stelling failed to persuade a jury that the companies’ Aearo Combat Arms version 2 earplugs caused hearing loss and tinnitus, according to the parties.

“Today’s verdict demonstrates once again that the CAEv2 product was effective and safe to use,” 3M said in a statement. “We are confident in our case and will continue to defend ourselves at ...