Derek R. DeVries has been granted 11 US patents while listed as an inventor at Alliant Techsystems. The first was granted in 2000 and the most recent in May 2017. Derek R. DeVries ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Derek R. DeVries in Farr West, UT, US.