| Patents for G09B 3 - Manually- or mechanically-operated teaching appliances working with questions and answers (1,613) | 
|---|
| 08/16/2001 | EP1123812A2 Article for colored printing and method for printing | 
| 08/16/2001 | EP1123811A2 Photoerasable paint and method for using photoerasable paint | 
| 07/19/2001 | DE10063411A1 Mechanical learning aid comprises flat information carrier with rectangular and/or quadratic, equally sized chessboard-type fields, many carrying information, and working with template provided with first marking | 
| 07/03/2001 | US6253473 Holder for calendar display | 
| 06/28/2001 | DE10055120A1 Device for weighing thoughts and ideas to help in decision making in meetings between a number of participants, helps in classing ideas according to a scale between good and best | 
| 04/25/2001 | EP1093647A1 Flash card holder and learning method | 
| 04/03/2001 | US6210171 Method and apparatus for multiple choice testing system with immediate feedback for correctness of response | 
| 03/22/2001 | DE19880896C1 Fold-up card as learning aid for self-checking, with folding and locking elements | 
| 02/27/2001 | US6193521 System for providing feedback to test resolvers | 
| 02/06/2001 | US6183261 Collaborative and quality control scoring system and method | 
| 02/06/2001 | US6183260 Method and system for preventing bias in test answer scoring | 
| 01/31/2001 | CN2417515Y Calculator with counting means | 
| 01/30/2001 | US6181910 Portable automated test scoring system and method | 
| 01/02/2001 | US6168440 Multiple test item scoring system and method | 
| 12/20/2000 | EP1060464A1 Portable automated test scoring system and method | 
| 12/12/2000 | US6159018 Categorized test reporting system and method | 
| 12/05/2000 | US6155839 Dynamic on-line scoring guide and method | 
| 11/28/2000 | US6152449 Combined sticker and invisible ink game | 
| 11/14/2000 | US6146148 Automated testing and electronic instructional delivery and student management system | 
| 10/19/2000 | WO2000061249A1 Entertainment apparatus | 
| 10/03/2000 | US6127073 Method for concealing information and document for securely communicating concealed information | 
| 09/19/2000 | US6120949 A temporary markings comprising a colorant, a mutable colorant and an ultraviolet radiation transorber, when irradiating with ultraviolet radiation, and changing the colorant to colorless | 
| 09/14/2000 | WO2000054242A1 Self-correcting safety system for test-type exams | 
| 09/06/2000 | CN2395472Y Digit program controlled exchanger for teaching | 
| 08/31/2000 | WO2000051098A1 A teaching aid | 
| 08/31/2000 | CA2398311A1 A teaching aid | 
| 08/30/2000 | EP0934581A4 Automated testing and electronic instructional delivery and student management system | 
| 08/29/2000 | US6109924 Educational card system | 
| 08/03/2000 | DE19902544A1 Learning toy for children consists of printed card with markings, and matching template with windows to find matching pairs | 
| 07/29/2000 | CA2297395A1 Module for playing a game | 
| 07/12/2000 | EP1018717A2 Method and system for administrating of remotely-proctored secure examination | 
| 07/12/2000 | EP0910844A4 Method and system for administrating of remotely-proctored secure examination | 
| 07/12/2000 | CN2387602Y Knowledge quick searching disk | 
| 06/20/2000 | US6077085 Technology assisted learning | 
| 05/31/2000 | CN2380970Y Combined judging card | 
| 05/23/2000 | US6066439 Instrument for photoerasable marking | 
| 05/23/2000 | US6065972 Hand held quiz computer and educational device | 
| 05/16/2000 | US6064856 Master workstation which communicates with a plurality of slave workstations in an educational system | 
| 05/09/2000 | US6060223 Plastic article for colored printing and method for printing on a colored plastic article | 
| 05/03/2000 | EP0996943A2 Foldable study card system | 
| 04/25/2000 | US6054256 Colorimetric analysis; detecting dosage radiation | 
| 04/25/2000 | US6053741 Flash card holder and learning method | 
| 03/28/2000 | US6042384 Computerized systems for optically scanning and electronically scoring and reporting test results | 
| 03/23/2000 | WO1999060546A3 Technology assisted learning | 
| 03/16/2000 | WO2000014698A1 Portable automated test scoring system and method | 
| 03/14/2000 | US6035565 Calendar display | 
| 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 | 
| 02/15/2000 | US6024578 Learning play card | 
| 01/25/2000 | US6017661 Substrate surface attached to merchandise and labeled with indicia comprising a mutable colorant, molecular includant and a transorber which irreversibly decolors colorant upon exposure to ultraviolet radiation | 
| 01/19/2000 | CN1241715A Electronic tide meter, method for calculating high/low tide time and recording medium with program for executing same method | 
| 01/18/2000 | US6015297 Method of teaching an examinee to take a multiple-choice examination | 
| 12/29/1999 | EP0967586A2 Device for learning foreign languages | 
| 12/23/1999 | WO1999066476A1 Flash card holder and learning method | 
| 12/23/1999 | CA2333971A1 Flash card holder and learning method | 
| 12/15/1999 | EP0964227A1 Electronic tide calculator, method and medium with program | 
| 11/25/1999 | WO1999060546A2 Technology assisted learning | 
| 11/25/1999 | CA2332812A1 Technology assisted learning | 
| 11/24/1999 | EP0958569A1 Remote learning system | 
| 11/24/1999 | EP0958567A1 Learning and game device | 
| 11/09/1999 | US5980263 Apparatus and method for teaching liberal arts concepts | 
| 10/13/1999 | CN1231752A Automated testing and electronic instructional delivery and student management system | 
| 09/29/1999 | EP0944897A1 Didactic learning device, preferably for use in primary schools | 
| 09/21/1999 | US5954516 Method of using question writing to test mastery of a body of knowledge | 
| 09/14/1999 | US5951298 Interactive book assembly | 
| 09/01/1999 | CN1227376A Count calculator | 
| 08/11/1999 | EP0934581A1 Automated testing and electronic instructional delivery and student management system | 
| 07/20/1999 | US5924740 Test booklet including tear out answer sheets having scratch-off answer selections | 
| 06/30/1999 | CN2327029Y Device for reviewing middle-school chemistry schoolwork | 
| 06/29/1999 | US5915973 System for administration of remotely-proctored, secure examinations and methods therefor | 
| 06/23/1999 | CN2325834Y Convenient multiple-choice answer board | 
| 06/09/1999 | CN1219260A System for administrating of remotely-proctored secure examination | 
| 06/02/1999 | DE19750462A1 Play chart for practicing learnt data | 
| 05/25/1999 | US5906491 Geography teaching apparatus | 
| 05/19/1999 | CN2319874Y Learning card | 
| 04/28/1999 | EP0910844A1 Method and system for administrating of remotely-proctored secure examination | 
| 04/20/1999 | US5895050 Question and answer game | 
| 03/25/1999 | WO1999001852A3 Foldable study card system | 
| 03/11/1999 | WO1999012141A1 Learning and game device | 
| 03/04/1999 | DE19735297A1 Solving tasks with self-control as learning game or teaching aid | 
| 03/03/1999 | EP0898994A2 Educational playing card | 
| 03/02/1999 | US5876211 Educational board game and method of play | 
| 02/18/1999 | WO1999008255A1 Educational game | 
| 02/02/1999 | US5865627 Education system kit | 
| 01/28/1999 | DE19728770A1 Fold-up card as learning aid for self-checking, with folding and locking elements | 
| 01/14/1999 | WO1999001852A2 Foldable study card system | 
| 11/17/1998 | US5836587 Playing cards for an educational game | 
| 11/10/1998 | US5833468 Remote learning system using a television signal and a network connection | 
| 11/05/1998 | WO1998049015A1 Magnetic manipulatives book | 
| 10/20/1998 | US5823782 Character recognition educational system | 
| 10/13/1998 | US5820383 Magnetic manipulatives book | 
| 09/17/1998 | WO1998040862A1 Method and system for administrating of remotely-proctored secure examination | 
| 08/25/1998 | US5797601 User selective solution system and method for flashcards, puzzles, and the like | 
| 08/18/1998 | US5795155 Leadership assessment tool and method | 
| 08/18/1998 | US5794980 Folding apparatus | 
| 08/12/1998 | CA2197379A1 Cards and dice game to develop public speaking ability | 
| 08/06/1998 | WO1998034211A1 Learning and game device | 
| 08/04/1998 | US5788502 Method of language instruction and fact recognition | 
| 07/28/1998 | US5784814 Calendar display |