Helmut Staehle has been granted 3 US patents while listed as an inventor at BOE. The first was granted in 2001 and the most recent in March 2006. Helmut Staehle ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Helmut Staehle in Ingelheim am Rhein, DE.