Brief: 3M Board Declares Quarterly Dividend
May 12 (Reuters) - 3M Co MMM.N: 3M BOARD DECLARES QUARTERLY DIVIDEND 3M CO - DECLARES Q2 DIVIDEND OF $0.78 PER SHARE Source text: ID:nPn9LLzTha Further company coverage: MMM.N ((Reuters.Briefs@thomsonreuters.com;))