Apple patents granted on 17 February 2009

4 US patents granted on 17 February 2009 and assigned to Apple

1 D586,800 Electronic device
2 7,493,626 Method and apparatus for communicating between device drivers in a computer system
3 7,492,820 Rate control for video coder employing adaptive linear regression bits modeling
4 7,490,720 Greeting card system including a window to allow for inventory and activation