Harm-Anton Klok has been granted 8 US patents while listed as an inventor at Basf Se. The first was granted in 2000 and the most recent in March 2016. Harm-Anton Klok ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Harm-Anton Klok in Yverdon-les-Bains, CH.