Clair Druet has been granted 13 US patents while listed as an inventor at Skf Engineering & Research Centre B.V.. The first was granted in 1983 and the most recent in January 2005. Clair Druet ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Clair Druet in Aix-les-Bains, FR.