Druce MacFarlane has been granted 2 US patents while listed as an inventor at Cyphort. The first was granted in 2003 and the most recent in October 2018. Druce MacFarlane ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Druce MacFarlane in Capitola, CA, US.