Bard C. Teigen has been granted 16 US patents while listed as an inventor at Combustion Engineering. The first was granted in 1980 and the most recent in July 2018. Bard C. Teigen ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Bard C. Teigen in Enfield, CT, US.