Also Neonode did this back in 2004/2005 with the N1. Apple's patent is a month old.
Demo @ http://www.youtube.com/watch?v=Tj-KS2kfIr0#t=4m00s
Edit: from question to statement.
Demo @ http://www.youtube.com/watch?v=Tj-KS2kfIr0#t=4m00s
Edit: from question to statement.
So in spite of the fact that it's a bit absurd, it is inaccurate to claim that anyone who had a lock screen more than a month old constitutes prior art.