Boom: Apple was just awarded a patent on pinch-to-zoom for multitouch displays. That's the first directly applicable patent we've seen on the gesture since we first started looking during the Apple / Palm war of words in January 2009, and it certainly gives Apple some potent ammunition against its competitors -- although there are some specific limitations on what Apple's been granted that will prove to be important. Let's break it down, shall we? Patent #7,812,826 was first applied for on December 29, 2006, and over the course of the patent process the claims have been significantly narrowed to cover a very spe