Mark Identification

CASTLE OF DR. BRAIN

Serial Number

74177258

Filing Date

Jun 17, 1991

Registration Date

Feb 16, 1993

Trademark by

SIERRA ON-LINE INC.

Classification Information

educational computer software for use in teaching about time, astronomy, robotics, codes and ciphers, logic and math

Electrical and Scientific Apparatus

video and computer games on machine-readable media

Toys and Sporting Goods