73673909
Jul 23, 1987
Dec 27, 1988
EDUCATIONAL SERVICES, NAMELY ORGANIZING CONTESTS, CONDUCTING SEMINARS AND WORKSHOPS IN THE FIELD OF PROBLEM SOLVING AND INVENTIONS; PUBLISHING NEWSLETTERS AND OTHER WRITTEN MATERIALS AND RECOVERING ORIGINAL 19TH CENTURY U.S. PATENT MODELS FOR PRESERVATION AND PUBLIC DISPLAY TO ENCOURAGE CREATIVITY AND INVENTIVENESS
Education and Entertainment