Michael E. Califf, Jr. has been granted 6 US patents while listed as an inventor at Diebold. The first was granted in 2005 and the most recent in November 2009. Michael E. Califf, Jr. ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Michael E. Califf, Jr. in Normal, IL, US.