Stephen P. D'Aniello has been granted 5 US patents while listed as an inventor at Factory Mutual Insurance. The first was granted in 2015 and the most recent in February 2019. Stephen P. D'Aniello ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Stephen P. D'Aniello in Franklin, MA, US.