Even as General Motors (GM +0.83%) has brought models to market that include a Siri button, Apple (AAPL -2.51%) is continue to press for greater integration between smartphones and autos. Ford (F +1.46%) has long boasted the Sync System from Microsoft (MSFT -2.04%). 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.





