Apple patents “a cellular telephone [that includes] a smoke detector”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=9,123,221&OS=9,123,221&RS=9,123,221 by moserware • 11 years ago 2 0 11 years agoPApatft.uspto.gov