| 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) |
|---|
| 01/19/1984 | WO1984000232A1 A play and instruction means |
| 12/27/1983 | US4422852 Teaching aid and process for teaching |
| 12/06/1983 | US4419081 Mathematical teaching/learning aid and method of use |
| 08/16/1983 | US4398893 Erasable magnetic diagramming panel |
| 06/21/1983 | US4389193 Educational device |
| 05/24/1983 | US4384855 Educational task recorder for children |
| 03/29/1983 | CA1143555A1 Self-correcting education system |
| 03/22/1983 | US4377384 Three-dimensional teaching device |
| 03/22/1983 | US4377286 Multicolored globe adapted to make combinations between colors on multitudinous directions |
| 03/15/1983 | CA1142750A1 Devices for displaying or performing operations in a "two-valued" system |
| 01/12/1983 | EP0069522A1 Educational aid for teaching computer programming |
| 11/09/1982 | US4358274 Game and teaching device construction |
| 10/12/1982 | US4353700 Educational learning aid |
| 09/22/1982 | EP0060283A1 Educational device. |
| 08/24/1982 | US4345902 Simplified phonics in the sequential steps to reading |
| 08/17/1982 | US4344626 Board game for forming alphabetic symbols |
| 08/03/1982 | CA1128748A1 Educational toy |
| 07/20/1982 | US4340373 Spelling machine |
| 03/18/1982 | WO1982000828A1 Educational device |
| 02/02/1982 | US4313727 Educational frame device having a rotatable body and rotatable symbol-bearing inserts |
| 01/19/1982 | US4311469 Display board for educational exercises |
| 01/19/1982 | CA1116445A1 Viewer for photographic prints |
| 01/06/1982 | EP0043336A1 Method of representing a spatial geneological tree with three-dimensional figurines |
| 12/30/1981 | EP0042772A1 Three-dimensional puzzle |
| 12/22/1981 | US4306869 Educational aid for classroom use |
| 12/22/1981 | US4306868 Multi-function instructional and recreational device |
| 12/01/1981 | CA1113247A2 Play desk |
| 10/20/1981 | US4295832 Educational toy |
| 09/08/1981 | CA1108446A1 Viewing carrier for photographic sheets |
| 09/01/1981 | US4286952 Educational toy |
| 09/01/1981 | CA1107960A1 Play desk |
| 08/11/1981 | CA1106662A1 Viewer for photographic prints |
| 04/21/1981 | US4262432 Study device |
| 04/21/1981 | US4262431 Word building teaching aid |
| 04/21/1981 | CA1099511A1 Magnetic decorative form for metallic surface |
| 03/17/1981 | US4255872 Audiovisual interview portfolio |
| 02/10/1981 | US4249757 Art and educational book |
| 01/20/1981 | US4245417 Picture viewer |
| 12/30/1980 | US4241522 Teaching aid |
| 12/16/1980 | US4238899 Picture viewer |
| 12/09/1980 | US4237637 Information display panel |
| 12/09/1980 | US4237635 Reaction training apparatus |
| 11/18/1980 | CA1089964A1 Displaying magnetic panel and its display device |
| 11/04/1980 | US4231655 Method of dynamic representation and apparatus therefor |
| 10/07/1980 | CA1087314A1 Pocket-size electronic device for playing chess |
| 08/12/1980 | US4216964 Puzzle game |
| 05/27/1980 | US4204343 Reading skills development kit |
| 05/13/1980 | US4202548 International code flag educational game |
| 04/29/1980 | US4199877 Color harmony scale |
| 04/15/1980 | US4197661 Educational toys |
| 04/01/1980 | US4195421 Shape matching device |
| 03/25/1980 | US4194301 Device for use in paired associate learning |
| 03/11/1980 | US4192084 Atomic model |
| 02/26/1980 | CA1072322A1 Toy having a screen and a tracing means |
| 02/19/1980 | US4188734 Educational toy |
| 02/05/1980 | US4186497 Assembly for facilitating teaching reading |
| 01/08/1980 | US4182051 Entertainment and/or educational device |
| 01/01/1980 | US4180920 Arrangement toy for signalling proper arrangement of elements |
| 12/18/1979 | US4178700 Bible board with bible cutouts |
| 12/11/1979 | US4177581 Device for teaching concepts of numbers and mathematical principles |
| 12/11/1979 | US4177578 Multi-page problem and answer workbook |
| 12/04/1979 | US4176474 Visual teaching aid for number concept |
| 12/04/1979 | US4176473 Book with removable three dimensional figurines |
| 12/04/1979 | US4176470 Educational reinforcement apparatus |
| 11/13/1979 | US4173833 PsychologicaL game |
| 10/16/1979 | CA1064257A1 Label type educational recreational device |
| 09/25/1979 | US4168583 Number board apparatus |
| 07/31/1979 | US4162581 Educational teaching and storage system and method |
| 06/12/1979 | US4157842 Method of making a photograph album |
| 06/12/1979 | CA1056152A1 Skill developing educational game apparatus |
| 04/03/1979 | US4146978 Amusement device for spelling education |
| 04/03/1979 | US4146977 Educational toy |
| 03/13/1979 | US4143473 Memorizing aid |
| 03/13/1979 | US4143472 For use in toys, games, advertising signs |
| 02/06/1979 | US4138115 Magnetic square and jig saw puzzle |
| 02/06/1979 | US4137650 Teaching aid |
| 01/16/1979 | US4134592 Apparatus for playing games |
| 12/12/1978 | CA1044013A1 Bible board game |
| 12/05/1978 | US4127948 Play desk |
| 11/07/1978 | US4123853 Educational device for dyslexic children |
| 11/07/1978 | US4123852 Teaching device |
| 09/26/1978 | US4115930 Educational teaching device |
| 09/19/1978 | US4114293 Frame for facial identification system with component reservoir |
| 09/12/1978 | US4112598 Shelf management device |
| 08/15/1978 | US4106216 Positioning system utilizing binary code |
| 08/08/1978 | US4104810 Display device |
| 06/20/1978 | US4095386 Prismatic interlocking structural module |
| 05/23/1978 | US4090313 Manually assemblable slide chart with integral self-locking tab |
| 03/14/1978 | US4078320 Educational apparatus |
| 12/20/1977 | US4063369 Visual communication tool for children |
| 11/22/1977 | US4059272 Games and educational devices |
| 08/30/1977 | US4044476 Educational methods and devices |
| 08/23/1977 | US4043057 Teaching aid |
| 08/23/1977 | US4043056 Make a face game |
| 08/09/1977 | US4040191 Educational game |
| 05/31/1977 | US4026043 Rollers with plural detents |
| 05/10/1977 | US4021937 Educational game apparatus |
| 04/12/1977 | US4016660 Educational system alphabet cards |
| 02/22/1977 | US4008529 Teaching apparatus and method |
| 02/22/1977 | US4008526 Openable curvilinear openings of different geometrical shapes |