John C. Gaudreau has been granted 9 US patents while listed as an inventor at Entegris. The first was granted in 2006 and the most recent in May 2024. John C. Gaudreau ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list John C. Gaudreau in Chepachet, RI, US.