Ando Welling has been granted 12 US patents while listed as an inventor at Giesecke & Devrient Gmbh. The first was granted in 2000 and the most recent in March 2022. Ando Welling ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Ando Welling in Isen, DE.