Richard J. Gagnon has been granted 9 US patents while listed as an inventor at Mirror Imaging L.L.C.. The first was granted in 2002 and the most recent in September 2019. Richard J. Gagnon ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Richard J. Gagnon in Grosse Pointe Park, MI, US.