THOMSON LEARNING INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
G09B EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS 241

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5421730 Interactive learning system providing user feedbackNov 27, 91Jun 06, 95[G09B]
5395243 Interactive learning systemJun 20, 94Mar 07, 95[G09B]

Expired/Abandoned/Withdrawn Patents

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