Even as General Motors (GM +0.50%) has brought models to market that include a Siri button, Apple (AAPL +2.08%) is continue to press for greater integration between smartphones and autos. Ford (F +1.15%) has long boasted the Sync System from Microsoft (MSFT 1.33%). An investigation of a few recent patents reveals that Apple is charging ahead.
In the video below, Fool.com contributor Doug Ehrman discusses the details of the patents.
