3M Company (NYSE:MMM) will release earnings results for the third quarter, before the opening bell on Tuesday, Oct. 21.Analysts expect the Saint Paul, Minnesota-based company to report quarterly earnings at $2.07 per share, up from$1.98 per share in the year-ago period. The consensus estimate for 3M's quarterly revenue is $6.25 billion, compared to$6.07 billion a year earlier, according to data from Benzinga Pro.On July 18, 3M reported better-than-expected second-quarter financial results and raised its F ...