Up early and have had a little more java than usual – LOL Did a quick search on Arm Holdings. See below. Comments welcome!
http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=3&f=G&l=50&co1=AND&d=PTXT&s1=%22arm+holdings%22&OS=%22arm+holdings%22&RS=%22arm+holdings%22
Way over my head here but - The two abstracts below seem to be relevant to the overall story -
http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=5&f=G&l=50&co1=AND&d=PTXT&s1=%22arm+holdings%22&OS=%22arm+holdings%22&RS=%22arm+holdings%22
http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=3&f=G&l=50&co1=AND&d=PTXT&s1=%22arm+holdings%22&OS=%22arm+holdings%22&RS=%22arm+holdings%22