JDK Concepts, Inc.Logo Design Contest Logo Design Contest Contests / JDK Concepts, Inc. JDK Concepts, Inc. has selected their winning logo design. For $300 they received 182 designs from 42 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by Charles Sels Return to Contest Return to Contest New #164 Discussion Charles Sels Logo Designer JDK(This comment references Entry #164) 15 years ago