It was difficult for many Ford Motor Company ( F -0.67% ) investors to remain patient while sales slowed through the first six or seven months of 2015, mainly due to a plethora of new or refreshed vehicles slowly building up to full production and inventory levels. Finally, August appears to be the breakout month for Ford's sales that investors have been waiting for, and there are quite a few positive figures to digest. Here are three major takeaways to consider when glancing through the data.