Frank E. Oetlinger has been granted 55 US patents while listed as an inventor at Blanking Systems. The first was granted in 1993 and the most recent in June 2025. Frank E. Oetlinger ranks #45,454 of 4,157,543 US inventors in our database (top 1.1%). Patent records list Frank E. Oetlinger in Grafton, WI, US.