Darin E. Bartholomew has been granted 8 US patents while listed as an inventor at John Deere. The first was granted in 1995 and the most recent in October 2017. Darin E. Bartholomew ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Darin E. Bartholomew in Davenport, IA, US.