3M reported third-quarter earnings of $1.98 per share, an increase of 11.2% versus the third quarter of 2013. Sales grew 2.8% year-on-year to $8.1 billion. Organic local-currency sales grew 3.9%, acquisitions added 0.1% to sales and currency impacts reduced sales by 1.2% year-on-year.   Third-quarter operating income was $1.9 billion and operating income margins were 23.4%. Net income was $1.3 billion and the company converted 103% of net income to free cash flow in the quarter.   3M paid $5...