Mark Identification

Serial Number

73571468

Filing Date

Dec 3, 1985

Registration Date

Mar 10, 1987

Trademark by

LEVEL FIVE RESEARCH INC.

Classification Information

COMPUTER PROGRAMS FOR EXPERT SYSTEM DEVELOPMENT AND INSTRUCTION MANUALS PROVIDED THEREWITH

Electrical and Scientific Apparatus

COMPUTER TRAINING SERVICES

Education and Entertainment

KNOWLEDGE ENGINEERING SERVICES IN THE FIELD OF EXPERT SYSTEM DEVELOPMENT

Computer and Scientific