Challenger Center for Space Science Education Trademarks
MARSVILLE
Filed: December 17, 1990
space simulation educational program to promote students' interest in science, technology
Owned by: Challenger Center for Space Science Education
Serial Number: 74124414
CHALLENGER LEARNING CENTER
Filed: May 20, 1992
educational services; namely, conducting conferences, classes, seminars and disseminating materials in the field of space…
Owned by: Challenger Center for Space Science Education
Serial Number: 74277207
