Michael E. Klinkhammer has been granted 59 US patents while listed as an inventor at S. C. Johnson & Son. The first was granted in 1988 and the most recent in March 2020. Michael E. Klinkhammer ranks #40,067 of 4,157,543 US inventors in our database (top 0.96%). Patent records list Michael E. Klinkhammer in Racine, WI, US.