| Patents for G09B 1 - Manually- or mechanically-operated educational appliances using elements forming or bearing symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways (2,411) |
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| 04/19/2000 | CN2374933Y Word spelling and literacy building blocks |
| 04/19/2000 | CN2374932Y Chinese phonetic spelling ruler |
| 04/13/2000 | WO2000021055A1 Phonological awareness, phonological processing, and reading skill training system and method |
| 04/13/2000 | CA2346697A1 Phonological awareness, phonological processing, and reading skill training system and method |
| 04/12/2000 | CN2373849Y Magnetic intelligent picture-splicing board |
| 04/05/2000 | CN2372737Y Chiense character combined blocks |
| 04/04/2000 | US6045363 Educational aid and method for using same |
| 03/09/2000 | DE19828407C1 Fremdsprachen-Lernvorrichtung Foreign-language learning device |
| 03/02/2000 | WO2000011632A1 Display apparatus |
| 03/01/2000 | EP0982702A1 Educational aid or the like |
| 03/01/2000 | CN2366914Y Education aid for teaching Chinese characters combined sound into syllables |
| 02/29/2000 | US6031172 Music teaching aid |
| 02/29/2000 | US6030228 Basic educational system |
| 02/29/2000 | US6030225 Raised character display structure |
| 02/16/2000 | EP0979497A1 Vocabulary and/or language model training |
| 02/15/2000 | US6024578 Learning play card |
| 02/02/2000 | CN2362169Y English words memory game board |
| 01/26/2000 | CN2360890Y Overtaking board |
| 01/25/2000 | US6018740 Method to make a latin square |
| 01/25/2000 | US6017220 Magnetic geometric building system |
| 01/05/2000 | CN2357383Y English word memory aid |
| 01/04/2000 | US6010387 Modular multi-layer three-dimensional figures from rearrangable flexible elements |
| 01/04/2000 | US6010338 Magnetic frame kit |
| 12/29/1999 | WO1999067764A1 Letter building game and dyslexia therapy device |
| 12/29/1999 | EP0967586A2 Device for learning foreign languages |
| 12/29/1999 | CN2356380Y Universal phonetic rotary disc |
| 12/14/1999 | US6000983 Display panel and method of making the same |
| 12/08/1999 | EP0723471B1 Game device for mapping data or drawings |
| 12/08/1999 | CN1238057A Mathematical teaching apparatus and method |
| 11/30/1999 | US5993218 Multi-sided word kit |
| 11/25/1999 | WO1999060583A1 Modules creating magnetic anchorage assemblies and relevant assemblies |
| 11/23/1999 | US5989035 Arithmetic teaching device |
| 11/23/1999 | US5989033 Book kit for a drawing game-fun sky |
| 11/10/1999 | CN2348442Y Time zone time calculating disk |
| 11/09/1999 | US5980354 Storyboard toys for nurturing cognition and learning strategies |
| 11/09/1999 | US5980258 Mathematical teaching apparatus and method |
| 11/09/1999 | US5979895 Method and apparatus for administering psychological tests |
| 11/07/1999 | CA2271264A1 Study aid device |
| 11/02/1999 | US5975932 Language wheel |
| 10/28/1999 | WO1999054013A1 Alpha beanie buddies |
| 10/27/1999 | CN2346014Y Simple international phonetic transcription learning apparatus |
| 10/21/1999 | WO1999053465A1 Educational counting apparatus |
| 10/20/1999 | EP0950235A1 Mathematical teaching apparatus and method |
| 10/06/1999 | EP0947354A2 Book |
| 10/06/1999 | CN2342424Y Multi-side teaching board without wiping |
| 10/03/1999 | CA2267822A1 Book with rotating cut-out portion |
| 09/28/1999 | US5957692 Teaching aid to be worn by an individual |
| 09/21/1999 | US5954518 Book with rotating cut-out portion |
| 09/21/1999 | US5954509 Educational device |
| 09/15/1999 | CN2338825Y Plane mechanism demonstration device |
| 09/14/1999 | US5951299 Method for mathematical representation, manipulation and problem solving, and kit |
| 09/14/1999 | US5951298 Interactive book assembly |
| 09/14/1999 | US5951297 System and method for teaching reading skills using a wagering game using chips, a timer, and cards bearing alphabet learning indicia |
| 09/14/1999 | US5950634 Method for assessing oxidative stress and its control in humans |
| 09/08/1999 | CN2337624Y Photoelectrical writing board |
| 09/08/1999 | CN2337623Y Pocket type laser indicating dial capable of regulating multiple light pattern |
| 09/07/1999 | US5947741 Twenty-six sided game ball |
| 09/01/1999 | CN2336422Y Course multipurpose board |
| 08/26/1999 | DE19805983A1 Modular element for play and teaching |
| 08/25/1999 | CN2335210Y 多层组合式教学板 Multilayer modular teaching board |
| 08/18/1999 | CN2334062Y Demonstration disk for primary school mathematical computation |
| 08/17/1999 | USRE36272 Wax craft product and method of manufacturing |
| 08/11/1999 | EP0645041B1 Music teaching aid |
| 07/21/1999 | CN1223423A Calculation knowledge enlightening template for 0-10 basic mathematics addition and substraction |
| 07/20/1999 | US5924905 Modular terrain for a toy building set |
| 06/24/1999 | WO1999018556A3 Vocabulary and/or language model training |
| 06/23/1999 | CN2325833Y Combining sound spelling device |
| 06/03/1999 | WO1999027513A1 Method for forming symbols from a set of playing members and construction game for realising said method |
| 06/02/1999 | EP0692129B1 Wax craft product |
| 05/27/1999 | WO1999001853A8 Developmental or perceptual evaluation aid |
| 05/19/1999 | CN2319873Y Learning amusement device |
| 05/04/1999 | US5899698 Device for teaching expression translation |
| 04/29/1999 | DE19828744A1 Toy for learning letters and-or words and-or numbers and-or pictures and-or colours |
| 04/27/1999 | US5897421 Alpha beanie buddies |
| 04/21/1999 | CN2315602Y Children literacy module |
| 04/20/1999 | US5895219 Apparatus and method for teaching reading skills |
| 04/20/1999 | US5895050 Question and answer game |
| 04/15/1999 | WO1999018557A1 Language translation pad |
| 04/15/1999 | WO1999018556A2 Vocabulary and/or language model training |
| 04/14/1999 | CN2314418Y Quick spelling and reading device |
| 04/13/1999 | US5893718 Mathematical board game |
| 04/01/1999 | WO1999016037A1 Modular terrain for a toy building set |
| 03/31/1999 | CN2312492Y Assembling pieces for teaching Chinese character spelling using alphabet letters |
| 03/18/1999 | WO1999012619A1 Display panel and method of making the same |
| 03/12/1999 | CA2212338A1 Talk |
| 03/04/1999 | DE19737102A1 System engineering dice |
| 03/04/1999 | DE19735297A1 Solving tasks with self-control as learning game or teaching aid |
| 03/03/1999 | EP0898994A2 Educational playing card |
| 02/23/1999 | US5873729 Mathematical triangle kit and method of use |
| 02/09/1999 | US5868577 For teaching mathematical skills |
| 02/02/1999 | US5865627 Education system kit |
| 01/27/1999 | CN2305720Y Counting and teaching equipment for long number read and write |
| 01/27/1999 | CN2305719Y Portable field test device for motor vehicle driver |
| 01/26/1999 | US5863204 Apparatus and method for teaching character |
| 01/14/1999 | WO1999001853A1 Developmental or perceptual evaluation aid |
| 01/10/1999 | CA2235283A1 Cognition nurturing toys and method for nurturing learning strategies |
| 12/10/1998 | WO1998055979A1 Alphabet block books |
| 12/09/1998 | EP0642109B1 Didactic-educational toy for elementary arythmetic operations, reading and writing |
| 12/01/1998 | US5842868 In a student |
| 11/25/1998 | CN2298567Y Intellectual development rotating disc |