Hans T. Erickson has been granted 3 US patents while listed as an inventor at Intergraph Software Technologies. The first was granted in 2007 and the most recent in August 2010. Hans T. Erickson ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Hans T. Erickson in Mountain View, CA, US.