David Leigh DuPré´ has been granted 2 US patents while listed as an inventor at Hyperformix. The first was granted in 2007 and the most recent in June 2010. David Leigh DuPré´ ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David Leigh DuPré´ in Lookout Mountain, GA, US.