G09B 1/02

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Showing 1 to 20 of 22 results

Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9947239 Data diagnostic evaluation deviceJan 24, 17Apr 17, 18Not available
9744473 Densely stackable building block systemJul 21, 16Aug 29, 17LIN, MEI-TSU
9666096 Tactile spelling totemsJun 08, 15May 30, 17Not available
9552742 Data diagnostic evaluation deviceJun 27, 12Jan 24, 17Not available
9440477 Flexible book binding with interchangeable pagesJun 13, 13Sep 13, 16Wuka, LLC
9443444 Figure plate setMay 21, 15Sep 13, 16PASCAL CO., LTD.
9224310 Self-exploration therapeutic assembly and methodDec 17, 13Dec 29, 15Simple Ideas, LLC
8992229 Assessment tool and graded activity for fine-gross motor skills, visual and cognitive processingDec 21, 12Mar 31, 15Not available
8317522 Hormonal quotient profile calculatorJan 19, 10Nov 27, 12DERVALRESEARCH
6676415 Teaching aidDec 17, 02Jan 13, 04Direct Educational Services Limited
6257621 Accessory kit and/or assembly for a scrapbook, photo album or the likeNov 03, 98Jul 10, 01EVERSHARP PEN COMPANY
6129551 Mathematical graph boardMar 26, 98Oct 10, 00Not available
5979895 Method and apparatus for administering psychological testsFeb 09, 98Nov 09, 99Not available
5725380 Combination writing board and abacusJan 14, 97Mar 10, 98ABB AB
5577915 Motivational task tracking deviceOct 18, 95Nov 26, 96Not available
5529497 Apparatus for teaching the addition and subtraction of whole numbers through the use of objectsSep 29, 94Jun 25, 96Not available
5520541 Apparatus for teaching numbers and mathematicsSep 06, 94May 28, 96Not available
5470234 Circular, piece-matching math educational aidJun 16, 94Nov 28, 95Not available
5427529 Ball and stick letter game and method of playApr 25, 94Jun 27, 95Not available
5407356 Pictorial image transforming manipulative-with multiple channel tracksDec 04, 91Apr 18, 95Not available

Showing 1 to 20 of 22 results