Duc H. Tran has been granted 11 US patents while listed as an inventor at Pitney Bowes. The first was granted in 1989 and the most recent in May 2000. Duc H. Tran ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Duc H. Tran in Bridgeport, CT, US.