Yes, they do have a patent. U.S. Patent No. 8,095,879: Unlocking a device by performing gestures on an unlock image http://patft.uspto.gov/netacgi/nph-Parser?S

Yes, they do have a patent. U.S. Patent No. 8,095,879: Unlocking a device by performing gestures on an unlock image http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=8,095,879&OS=8,095,879&RS=8,095,879 http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sec...