Gregory A. Testa has been granted 4 US patents while listed as an inventor at Dako Denmark A/S. The first was granted in 2011 and the most recent in September 2015. Gregory A. Testa ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Gregory A. Testa in Medfield, MA, US.