Patents for G09B 19 - Teaching not covered by other main groups of this subclass (16,783) |
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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 |