James E. Retterath has been granted 43 US patents while listed as an inventor at Facet Technology. The first was granted in 1987 and the most recent in November 2025. James E. Retterath ranks #69,380 of 4,157,543 US inventors in our database (top 1.7%). Patent records list James E. Retterath in Excelsior, MN, US.