SYNKEN INC. Trademarks
CHALLENGE PLUS
Filed: October 5, 1989
PERIODICAL EDUCATIONAL MAGAZINES FOR STUDENTS IN GRADES K-12 COVERING SELECTED TOPICS IN DIFFERENT SCHOOL SUBJECTS AND CONTAINING…
Owned by: SYNKEN INC.
Serial Number: 73829549
CHALLENGE PLUS WORKSHOP
Filed: February 8, 1991
educational services, namely publication of magazines and distribution of educational materials providing correspondence…
Owned by: SYNKEN INC.
Serial Number: 74137361
CHALLENGE PLUS WORKSHOP
Filed: February 8, 1991
kits containing educational products for students in grades K-12, namely (1) a periodical magazine covering selected topics…
Owned by: SYNKEN INC.
Serial Number: 74137362
