About 1 Trademarks found that are owned by Profdr Hansjrgen Quadbeckseeger

Games and playthings, namely, board games, card games, computer games, namely, battery-powered computer game with LCD screen, video games, namely, arcade-type electronic education video games and hand held units for playing video games other than those adapted for use with an external display screen or monitor, puzzles

Computer game programs and educational software featuring instruction in topics of chemistry and biology; educational software for adolescents in the fields of chemistry and biology