Fran E. Blackman has been granted 8 US patents while listed as an inventor at Pitney Bowes. The first was granted in 1987 and the most recent in February 2012. Fran E. Blackman ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Fran E. Blackman in Dublin, OH, US.