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on 17 Sep 2010
Cognitive Technologies Corporation
75598699 · 03 Dec 1998
035
Mail order catalog services featuring mathematics software for educati...
on 24 Jan 1997
Cognitive Technologies Corporation
74094586 · 07 Sep 1990
009
"CD",compact disc player having capabilities to communicate with a com...
on 24 Aug 1993
Cognitive Technologies Corporation
74109417 · 26 Oct 1990
009
"SOFTWARE",multimedia material; namely, computer software, video graph...
on 14 Jun 1993
Cognitive Technologies Corporation
74094589 · 07 Sep 1990
041
"COMPUTER",prerecorded compact discs containing interactive educationa...
on 14 Jun 1993
Cognitive Technologies Corporation
74094594 · 07 Sep 1990
041
prerecorded compact discs containing interactive educational material ...
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