Mark P. Barrieau has been granted 21 US patents while listed as an inventor at Simplexgrinnell Lp. The first was granted in 1999 and the most recent in September 2020. Mark P. Barrieau ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Mark P. Barrieau in Baldwinville, MA, US.