DIGITAL LEARNING SYSTEMS, INC. Trademarks
DIGITAL LEARNING SYSTEMS
Filed: November 17, 1983
COMPUTER PROGRAMS RECORDED ON CARTRIDGES, CASSETTES AND DISKETTES
Owned by: DIGITAL LEARNING SYSTEMS, INC.
Serial Number: 73453225
DIGITAL LEARNING SYSTEMS
Filed: June 27, 1985
COMPUTER PROGRAMS RECORDED ON CARTRIDGES, CASSETTES AND DISKETTES, COMPUTER PROGRAMS AND USER'S MANUALS FOR USE THEREWITH…
Owned by: DIGITAL LEARNING SYSTEMS, INC.
Serial Number: 73545250
KEYNOTES
Filed: July 11, 1986
COMPUTER PROGRAMS RECORDED ON CARTRIDGES, CASSETTES AND DISKETTES, USER'S MANUALS FOR USE THEREWITH FOR BUSINESS AND EDUCATION…
Owned by: DIGITAL LEARNING SYSTEMS, INC.
Serial Number: 73609540
