Even as General Motors (GM 1.99%) has brought models to market that include a Siri button, Apple (AAPL 0.07%) is continue to press for greater integration between smartphones and autos. Ford (F 1.86%) has long boasted the Sync System from Microsoft (MSFT 0.54%). 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.