Elke Hellwege has been granted 24 US patents while listed as an inventor at Bayer Cropscience. The first was granted in 2003 and the most recent in January 2020. Elke Hellwege ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list Elke Hellwege in Langenfeld, DE.