Gerhard Bertlein has been granted 3 US patents while listed as an inventor at Basf Se. The first was granted in 2006 and the most recent in August 2010. Gerhard Bertlein ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Gerhard Bertlein in Trochtelfingen, DE.