Mark C. Phelps has been granted 8 US patents while listed as an inventor at Art Research And Technology, L.L.C.. The first was granted in 2004 and the most recent in June 2020. Mark C. Phelps ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Mark C. Phelps in Tucson, AZ, US.