Mark Identification

DH DATAHIDING

Serial Number

75591813

Filing Date

Nov 19, 1998

Trademark by

INTERNATIONAL BUSINESS MACHINES CORPORATION

Classification Information

COMPUTER HARDWARE AND COMPUTER SOFTWARE FOR USE IN PROTECTION OF INFORMATION SIGNALS

Electrical and Scientific Apparatus

INSERTING SOFTWARE PROTECTION PROGRAMS AND SECURITY INFORMATION SIGNALS ONTO MAGNETIC MEDIA

Treatment of Materials

COMPUTER SERVICES, NAMELY, CONSULTATION AND COMPUTER DESIGN RELATING TO PROTECTION OF INFORMATION SIGNALS

Computer and Scientific