John E. Pahlman has been granted 10 US patents while listed as an inventor at Enviroscrub Technologies. The first was granted in 1980 and the most recent in July 2007. John E. Pahlman ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list John E. Pahlman in Bloomington, MN, US.