Digital Ally, Inc. (NASDAQ:DGLY) shares are trading higher after-hours Tuesday after the company was granted a U.S. patent for tracking and analysis of drivers within a fleet of vehicles. The Details: According to the patent documents, Digital Ally’s system includes a monitoring engine for receiving information from a vehicle-tracking device associated with a vehicle from the fleet and a mapping engine that displays an icon indicative of an incident on a map. The system also includes a driver analysis engine that obtains incident information associated with a plurality of drivers and analyzes …