| Patents for G09B 19 - Teaching not covered by other main groups of this subclass (16,783) | 
|---|
| 01/16/1990 | US4894777 Operator mental condition detector | 
| 01/10/1990 | EP0349612A1 Method and apparatus for an electronic bridge game | 
| 01/03/1990 | CN2050639U Coloured picture block for learning and spelling english-chinese words | 
| 01/03/1990 | CN2050341U Multifunction electronic acoustic intelligent playthings | 
| 01/02/1990 | US4891748 System and method for teaching physical skills | 
| 01/02/1990 | US4891011 System for assisting the learning of a subject | 
| 12/27/1989 | CN2050204U Geographical knowledge poker | 
| 12/27/1989 | CN2050203U Chinese phonetic alphabet magic tube | 
| 12/27/1989 | CN2050202U Rotary calculator for children | 
| 12/20/1989 | CN2049804U Toy bricks for learning to read animal idioms | 
| 12/20/1989 | CN2049803U Mathematics calculating cards | 
| 12/13/1989 | CN2049387U Musical arithmetic board | 
| 12/13/1989 | CN2049140U Mathematical intelligence game playing cards | 
| 12/12/1989 | US4886458 Mechanical analog computer device | 
| 12/12/1989 | US4886457 Learning aid to enlighten intelligence for children | 
| 12/06/1989 | CN2049007U Magic disk of language | 
| 12/05/1989 | US4884973 Mathematic teaching aid | 
| 12/05/1989 | US4884972 Speech synchronized animation | 
| 11/30/1989 | DE3816881A1 Device for learning a foreign language | 
| 11/29/1989 | CN2048609U Child calculator | 
| 11/29/1989 | CN2048376U Playing chess for remembering english words | 
| 11/29/1989 | CN2048374U Intelligent play chess with english letters | 
| 11/29/1989 | CN2048295U English word spelling chess | 
| 11/29/1989 | CN1037607A High-speed learning tool of english | 
| 11/28/1989 | US4883749 Children's toilet training device with differentiating means | 
| 11/23/1989 | DE3910714A1 Installation for the free fall of a holding container | 
| 11/22/1989 | CN2047978U Mahjong pieces being able to spell english words | 
| 11/22/1989 | CN2047974U English and phonetic intelligence playing cards | 
| 11/22/1989 | CN2047969U Geometry playing cards | 
| 11/08/1989 | CN2047429U Multi-functional teacher's pointer | 
| 11/07/1989 | US4878845 Device for encouraging children to brush their teeth regularly | 
| 11/01/1989 | CN2047054U Study-recreation card for learning chinese phonetic | 
| 11/01/1989 | CN2047053U Numeral counting chess | 
| 10/25/1989 | EP0338171A1 Device for teaching motor vehicle driving | 
| 10/25/1989 | CN2046659U English typewriting learning apparatus | 
| 10/25/1989 | CN2046658U Card circulating memory machine | 
| 10/25/1989 | CN2046657U Parity checker for operation of addition and subtraction | 
| 10/18/1989 | CN2046027U Dual purpose chinese and word-spelling playing cards | 
| 10/18/1989 | CN1036472A Cyclic memory machine for cards | 
| 10/18/1989 | CN1036471A Combiner of english sentence patterns | 
| 10/18/1989 | CN1036334A Arithmatical operation chess for pupil | 
| 10/11/1989 | CN2045662U Chinese character magic squares | 
| 10/11/1989 | CN2045593U Chalk box with teacher's pointer | 
| 10/04/1989 | EP0335737A2 Computational aid | 
| 10/04/1989 | CN2045521U Arithmetic playing cards (chess) | 
| 10/04/1989 | CN2045520U Electronic experiment board | 
| 10/04/1989 | CN2045519U Arithmetical unit and stationery case made of it | 
| 10/03/1989 | US4871314 Toy balance concept-developing device | 
| 09/20/1989 | CN2044754U Infant teaching appliance | 
| 09/19/1989 | US4868771 Computer image generation with topographical response | 
| 09/19/1989 | US4867685 Audio visual instructional system | 
| 09/19/1989 | US4867442 Physical exercise aid | 
| 09/13/1989 | EP0332322A2 Data creating, storage and processing system | 
| 09/12/1989 | CA1259409A1 Thought triggering and amplification system | 
| 09/06/1989 | CN2044089U Children addition and subtraction arithmetical unit with correct or urong answer showign fuction | 
| 09/06/1989 | CN2043889U Chemical equation composed cards | 
| 09/05/1989 | US4863386 Child's learning calendar | 
| 08/30/1989 | CN2043779U Electronic arithmetic game means | 
| 08/29/1989 | US4861270 Fire fighting trainer | 
| 08/24/1989 | WO1989007818A1 Voice-training arrangement | 
| 08/23/1989 | CN2043401U Practicing card for computer's basic language | 
| 08/23/1989 | CN2043400U Chemical element intelligence moving plate | 
| 08/23/1989 | CN2043399U Multifunctional folding teaching aid | 
| 08/22/1989 | EP0252942A4 Human behavior modification system which establishes and generates a user adaptive withdrawal schedule. | 
| 08/16/1989 | EP0327787A1 Binary clock | 
| 08/16/1989 | CN2042991U Intelligence appliance for student | 
| 08/15/1989 | US4856998 Teaching aids | 
| 08/15/1989 | CA1258369A1 Music box with instructional data tables | 
| 08/10/1989 | DE3802809A1 Gear-change monitoring device for a learner-driver | 
| 08/09/1989 | EP0327266A2 Method for part-of-speech determination and usage | 
| 08/02/1989 | CN2042226U Intelligent toy for learning english | 
| 08/01/1989 | US4853854 Human behavior modification which establishes and generates a user adaptive withdrawal schedule | 
| 07/25/1989 | US4850876 Training device for practicing emergency life saving techniques | 
| 07/19/1989 | CN1034081A Teaching tools for classified literals and learning therefor | 
| 07/11/1989 | US4846691 Child's association game | 
| 07/05/1989 | CN2040661U Basic card | 
| 07/05/1989 | CN2040660U Intelligent calculator for children | 
| 07/05/1989 | CN2040659U Initiating learning calculator | 
| 07/05/1989 | CN2040658U Moving picture chinese and english reading toy | 
| 06/28/1989 | EP0322333A2 Method for providing a dynamic tutorial display | 
| 06/28/1989 | EP0321772A2 Teaching chess computer | 
| 06/27/1989 | US4842522 Training shoelace | 
| 06/27/1989 | US4842521 Visual aid ruler | 
| 06/21/1989 | CN2039867U Stereoscopic visual teaching device | 
| 06/21/1989 | CN2039631U Pocket five-use word stenographic device | 
| 06/15/1989 | WO1989005178A1 Demonstration appliance | 
| 06/14/1989 | CN2039222U Multifunction counting game-chess for children | 
| 06/13/1989 | US4838796 Multiple dial meter reading development apparatus and method | 
| 06/06/1989 | US4836786 Demonstration calculator | 
| 06/06/1989 | US4836415 Dental timer | 
| 05/31/1989 | CN2038652U Card for helping children to learn time | 
| 05/23/1989 | US4832606 Directional picture story aids for children to identify left and right shoes | 
| 05/23/1989 | CA1254382A1 Teaching apparatus | 
| 05/18/1989 | WO1989004523A1 Method and apparatus for an electronic bridge game | 
| 05/17/1989 | CN2037559U Multi-purpose teaching-aid box | 
| 05/16/1989 | US4830007 Fetus learning system | 
| 05/10/1989 | CN2037491U System experimental instrument for domestic electric appliances | 
| 05/09/1989 | US4828500 Apparatus and method for motion teaching | 
| 05/09/1989 | US4828498 Food exchanges kit, and methods of constructing and utilizing same | 
| 05/03/1989 | EP0313705A1 Device for teaching and monitoring the way in which a vehicle is driven |