| 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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| 02/15/1989 | CN2032747U Appliance for children literacy |
| 02/08/1989 | CN2032346U Multifunctional stereo intelligent plate |
| 01/12/1989 | WO1989000069A1 Module building system |
| 12/07/1988 | CN88206458U Multi-functional teaching utensils |
| 12/06/1988 | CA1245854A1 Educational book for children |
| 12/06/1988 | CA1245853A1 Educational device |
| 10/18/1988 | USRE32766 Picture viewer |
| 10/18/1988 | US4778392 Educational block set |
| 09/13/1988 | CA1241831A1 Education device |
| 09/07/1988 | CN87209288U Intelligence learning board (ball) |
| 06/29/1988 | CN87214642U Japanese grammar turntable |
| 06/22/1988 | CN87209808U Hanging magnetic picture puzzle |
| 06/21/1988 | US4752227 Educational game and method of playing the game |
| 06/08/1988 | CN86104119A Tactic performing method for physical education and magnetic tactic plate therefor |
| 06/01/1988 | CN87210817U Recreational device for composing words |
| 06/01/1988 | CN87204513U Atmospheric circulation demonstration apparatus |
| 05/25/1988 | CN87209510U Combined writing exercise device |
| 04/06/1988 | CN87211580U 磁力吸盘 Magnetic chuck |
| 03/30/1988 | CN87210908U Magnetic plastic mathematic intelligence toy |
| 03/29/1988 | US4733864 Parlor game |
| 02/17/1988 | CN87210197U Intelligence exercise board for children |
| 01/07/1988 | EP0171409B1 Combinatory element game for covering surfaces with various aspects, particularly to be used as a game or a surface covering |
| 01/05/1988 | US4717342 Combinable set of quadratic elements |
| 12/09/1987 | CN85203347U 句子分析器 Sentence analyzer |
| 12/08/1987 | US4711633 Instructional device for tennis players |
| 12/08/1987 | US4710979 Mother's apron or bib with detachable multicolored two-dimensional infant toys to aid supervised baby play |
| 10/27/1987 | US4702700 Activity book with removable manipulatives |
| 10/21/1987 | CN87206152U Combined demonstrator for mathematics and physics |
| 10/21/1987 | CN87200219U Disk intelligence arithmetic studying utensil |
| 10/06/1987 | US4698023 Connecting blocks |
| 09/30/1987 | CN86209049U Simple water saving device of water tank |
| 09/22/1987 | US4695257 Problem solving game |
| 09/09/1987 | CN86207964U Children's toy arithmatic apparatus |
| 08/25/1987 | US4689019 Food exchanges kit, and methods of constructing and utilizing same |
| 08/18/1987 | US4687207 Method of manipulating playing pieces |
| 08/12/1987 | CN86209649U Teaching board for children |
| 07/28/1987 | US4682955 Educational toy |
| 07/22/1987 | CN86205294U Magnetic indicator |
| 06/23/1987 | US4674982 Education device |
| 05/27/1987 | CN86204548U Universal display board |
| 05/26/1987 | US4667962 Children's block toy |
| 05/19/1987 | US4666409 Holder for display cards |
| 04/30/1987 | DE3538293A1 Magnetic fastening device, e.g. for information purposes |
| 03/24/1987 | US4651992 Puzzle-type game |
| 02/17/1987 | US4643683 ECO set didactic blocks/cubes |
| 02/17/1987 | US4643680 Vowel sound teaching device |
| 02/17/1987 | US4643679 Educational aid for spelling |
| 01/28/1987 | EP0209594A1 Food exchanges kit, and methods of constructing and utilizing same |
| 01/20/1987 | US4637799 System and game that stimulates creative and verbal exercise |
| 01/13/1987 | US4636172 Teaching apparatus |
| 01/06/1987 | US4634385 Teaching wheels |
| 12/02/1986 | US4626220 Psychological test device |
| 10/08/1986 | CN85103323A Performance plate for learning chinese characters |
| 09/23/1986 | US4613309 Figures of speech |
| 09/10/1986 | CN85203260U Hand-operated mnemonic device |
| 09/03/1986 | EP0192802A2 Training toy blocks |
| 08/20/1986 | CN85200756U Developing intelligence unit |
| 08/20/1986 | CN85108265A Improvements relating to teaching methods and aids |
| 08/13/1986 | CN85103342A Bricks for chinese characters |
| 08/06/1986 | CN85202157U Two-sided pattern-combining magic square unit |
| 07/31/1986 | WO1986004438A1 Food exchanges kit, and methods of constructing and utilizing same |
| 07/31/1986 | WO1986004253A1 Toy blocks serving also as intelligence developing materials and capable of being combined at arbitrary angle by racks |
| 06/04/1986 | EP0183636A2 Puzzle-type game |
| 05/21/1986 | EP0181715A1 Improvements relating to teaching methods and aids |
| 05/09/1986 | WO1986002762A1 Language syntax educational system |
| 04/22/1986 | US4583951 Roll-type learning aid apparatus for reading and memorizing |
| 02/25/1986 | CA1200975A1 Educational playset |
| 02/19/1986 | EP0171409A1 Combinatory element game for covering surfaces with various aspects, particularly to be used as a game or a surface covering. |
| 01/21/1986 | US4565374 Mathematical board game apparatus |
| 01/15/1986 | CN85200188U Language learner for various languages learning |
| 01/10/1986 | CN85100172A Chinese phonetic chess |
| 10/15/1985 | US4547160 Educational building toy |
| 10/01/1985 | US4544360 Book reference list |
| 10/01/1985 | EP0136294A4 Perpetual Calendar. |
| 08/27/1985 | US4537576 Educational book with interactive elements |
| 08/15/1985 | WO1985003453A1 Combinatory element game for covering surfaces with various aspects, particularly to be used as a game or a surface covering |
| 08/13/1985 | US4534736 Educational toy |
| 07/16/1985 | US4529385 Educational playset |
| 05/28/1985 | US4519781 Teaching tool |
| 05/07/1985 | US4515566 Flip card apparatus for forming units of speech |
| 05/02/1985 | EP0139564A1 Portable educational equipment |
| 04/10/1985 | EP0136294A1 Perpetual Calendar. |
| 04/09/1985 | US4509920 Educational toy for teaching alphanumeric sequences |
| 04/03/1985 | EP0060283B1 Educational device |
| 02/12/1985 | US4498869 System for teaching visual discrimination of spatially oriented subject matter |
| 01/23/1985 | EP0132085A2 Book reference list |
| 12/11/1984 | US4487585 Educational toy having fragrance association means |
| 10/23/1984 | US4478583 Teaching device for severely retarded or physically handicapped |
| 10/23/1984 | US4478582 Language syntax educational system |
| 09/18/1984 | US4472146 Learning system |
| 08/30/1984 | WO1984003384A1 Display device |
| 08/14/1984 | US4465467 Educational device for teaching children to read |
| 08/07/1984 | US4464125 Magnetic toy cart |
| 07/24/1984 | US4461497 Information storage device and method |
| 07/18/1984 | EP0113705A1 Cylindrical article comprising rotatable elements, especially for educational games |
| 05/01/1984 | US4445869 Teaching method and apparatus |
| 05/01/1984 | US4445867 Educational board game |
| 01/31/1984 | US4428732 Educational and amusement apparatus |
| 01/31/1984 | US4428581 Tri-dimensional puzzle |
| 01/24/1984 | US4427390 Educational book-like toy |