U.S. federal trademark · Serial No. 74010532 · Reg. No. 1646668
COMPUTER PROGRAMS PRERECORDED ON TAPES, DISKS, DISKETTES, CARTRIDGES AND CASSETTES, AND RELATED USER MANUALS AND INSTRUCTIONAL GUIDES SOLD AS A UNIT FOR COMMUNICATION BETWEEN PERSONAL COMPUTERS AND BETWEEN PERSONAL COMPUTERS AND MINI-COMPUTERS OR MAIN FRAME COMPUTERS
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