About 2 Trademarks found that are owned by Marcel Zentner

Scientific research, namely, measurement of musical abilities and skills, determination of parameters of musical skills and their implementation, in the nature of implementation of software, in test procedures for the objective assessment of giftedness in various areas of musical skills, including commercial use of testing procedures

Scientific research, particularly psychological research, development of measurement methods for characterization, categorization and detailed measurement of emotions triggered by music and implementation of measurement methods in the nature of software for commercial use