It's no secret that Microsoft has been experimenting plenty with wearable computing and augmented reality -- just take a look at some of Microsoft Research's projects -- but a patent application published today has offered a peek at one possible AR application the company has yet to demonstrate. While not describing the device itself, the patent application details how a head-mounted display could be used to augment live events in realtime with relevant information (like stats during a baseball game, as pictured above). To do so, the system would re