Federal court will hear 3M appeal over earplug lawsuits


3M Co. (NYSE: MMM) will get another chance to shield itself against hundreds of thousands of liability lawsuits over its military-issue earplugs, as a federal appeals court agreed to hear the company's appeal following a legal defeat for 3M this summer.

The Wall Street Journal reports that Seventh U.S. Circuit Court of Appeals in Chicago granted a petition by Aearo Technologies, a 3M subsidiary, for a direct review of a bankruptcy court ruling against 3M in August.

The stakes are high for Maplewood,…

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