LEARNING SYSTEMS, INC. Trademarks
LSI
Filed: December 6, 1978
PRINTED INSTRUCTIONAL AND TEACHING MATTER-NAMELY, A SERIES OF BOOKS, MANUALS, PAMPHLETS, LEAFLETS, LESSON PLANS, AND WORK…
Owned by: LEARNING SYSTEMS, INC.
Serial Number: 73195786
LS LEARNING SYSTEM
Filed: June 10, 1991
coordinated disks and tapes
Owned by: LEARNING SYSTEMS, INC.
Serial Number: 74174448
LEARNING SYSTEMS LS
Filed: August 3, 1992
instructional books and manuals in the following fields; civil, electrical, building construction, English, biology, food…
Owned by: LEARNING SYSTEMS, INC.
Serial Number: 74301256
