ResearchDxLogo Design Contest Logo Design Contest Contests / ResearchDx ResearchDx has selected their winning logo design. For $300 they received 239 designs from 49 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by john merrigan design Return to Contest Return to Contest New #61 Withdrawn Prefers others. #82 Withdrawn Prefers others. #54 Discussion john merrigan design Logo Designer Highlighted the dx to make it look fresh 15 years ago