| Patents for B43L 1 - Repeatedly-usable boards or tablets for writing or drawing (5,148) |
|---|
| 01/07/2004 | CN2597210Y Rolling-type self-wiping blackboard |
| 01/07/2004 | CN2597209Y Blackboard with scale |
| 01/07/2004 | CN2597208Y Water washing type dust-proof teaching board for audio-visual instruction |
| 12/31/2003 | CN1463856A Colorful blackboard |
| 12/24/2003 | DE20311362U1 Drawing aid with wipe effect has a frame holding the drawing insert and with a hinged back to fit selected background sheets |
| 12/24/2003 | CN2594031Y Flexible rotary blackboard |
| 12/24/2003 | CN2594030Y Foldable writing board with supporter |
| 12/24/2003 | CN2594029Y Calligraphy fountain square bricks |
| 12/24/2003 | CN1132094C Dry clearing electronic removing white board with paper width array ink jet printer |
| 12/24/2003 | CN1131792C Magnetophoresis display panel |
| 12/17/2003 | CN2592397Y Combined blackboard |
| 12/17/2003 | CN2592396Y Narrow-slit dust-free blackboard |
| 12/11/2003 | DE20309110U1 Statically-charged whiteboard e.g. for teaching and seminars, the writable part of the board plane comprises conductive material |
| 12/10/2003 | CN2590748Y Blackboard |
| 12/10/2003 | CN2590747Y Foldable health care writing board |
| 12/04/2003 | WO2003034328A3 Electronic writing and erasing pencil |
| 12/03/2003 | CN2589216Y Rotary easily erasing blackboard |
| 12/03/2003 | CN2589215Y White/black board for concealed adjustable gallow |
| 12/03/2003 | CN2589214Y Portable multifunctional writing board |
| 11/27/2003 | US20030218600 Magentophotoresis type display device and process of production of same |
| 11/26/2003 | EP1364810A2 Dry erasable board and its producing method |
| 11/26/2003 | CN2587664Y Convenient blackboard |
| 11/25/2003 | US6654008 Electronic whiteboard and penholder used for the same |
| 11/19/2003 | CN2586590Y Myopia-proof writing plate |
| 11/18/2003 | US6648051 Foldable dry erase surface |
| 11/13/2003 | US20030210236 Writeboard method and apparatus |
| 11/12/2003 | CN1454789A Magnetic writing blackboard and complete permanent magnetic pen and eraser |
| 11/11/2003 | CA2319657C Magnetic susceptible markerboard |
| 10/30/2003 | US20030203349 Magic slate capture and display device |
| 10/29/2003 | CN2582894Y Two-sided rolled groove blackboard |
| 10/28/2003 | US6639579 Magnetophoresis type display device and process of production of same |
| 10/22/2003 | CN2581196Y Dust-proof blackboard |
| 10/16/2003 | WO2003059650A3 Sleeve for a score-card |
| 10/16/2003 | US20030194691 Sensory feedback educational tool |
| 10/15/2003 | EP1148997B1 Creativity center apparatus and method of use |
| 10/15/2003 | CN2579674Y Neon color light plate with writing pen |
| 10/02/2003 | US20030184082 Label |
| 10/01/2003 | CN1445106A Whiteboard stationery and its production technique |
| 09/24/2003 | CN2574910Y Rolling blackboard erazer |
| 09/24/2003 | CN2574909Y Simple apparatus for trisection of an angle and arc |
| 09/17/2003 | CN2573266Y Rotary auto-erasing dualpurpose blackboard |
| 09/17/2003 | CN2573265Y Household ornament small blackboard |
| 09/17/2003 | CN2573264Y Electric-controlled automatic erasing writing white board |
| 09/11/2003 | US20030170605 Vapor deposited writing surfaces |
| 09/11/2003 | US20030170457 Front face erasable microcapsule magnetophoretic display sheet, erasing magnet and writing magnet |
| 09/03/2003 | EP1057657B1 Process for fabricating a writing board, and writing board obtained with such process |
| 09/03/2003 | EP0679283B1 An erasable product |
| 08/28/2003 | US20030162151 Display responsive learning apparatus and method for children |
| 08/27/2003 | CN2568424Y Remote controlled self-cleaning blackboard |
| 08/21/2003 | US20030157472 Stylus actuated write/erase binders |
| 08/21/2003 | US20030155761 Magnetic write/erase binder |
| 08/21/2003 | CA2373328A1 A numerical date tracking system for frozen goods |
| 08/20/2003 | CN2567052Y Blackboard |
| 08/20/2003 | CN2567051Y Blackboard with millipore for dust absorption |
| 08/19/2003 | US6608619 Coordinate position inputting/detecting device, a method for inputting/detecting the coordinate position, and a display board system |
| 08/19/2003 | US6607216 Magnetic write/erase binder |
| 08/14/2003 | WO2003067614A2 Self-adhesive magnet receptive surface covering |
| 08/14/2003 | US20030152908 Folding writing board |
| 08/14/2003 | US20030152731 Self-adhesive magnet receptive surface covering |
| 08/07/2003 | WO2003064769A2 Sheet for application of erasable print |
| 08/07/2003 | US20030148255 Reversible colorful writing apparatus |
| 08/06/2003 | CN2564361Y Magnetic granule writing board |
| 08/06/2003 | CN2564360Y Rolling blackboard |
| 08/06/2003 | CN1433896A Piezoelectric electric writing pen for electronic ink display |
| 07/30/2003 | CN2562993Y Lamp box blackboard |
| 07/30/2003 | CN1432479A Eraser for magnetic writing board |
| 07/30/2003 | CN1116180C Microcapsule magnetic display board |
| 07/24/2003 | WO2003059650A2 Sleeve for a score-card |
| 07/24/2003 | DE20307519U1 Ink trace recording device has sandwich foil presentation |
| 07/24/2003 | CA2473404A1 Sleeve for a scorecard |
| 07/23/2003 | CN1431102A Electric blackboard |
| 07/16/2003 | CN2560503Y Automatic erasing and accessing dust-free blackboard |
| 07/10/2003 | WO2003056418A1 An electromagnetic induction electronic board with antenna arrayed in gridding inside |
| 07/09/2003 | EP1326128A2 Front face erasable microcapsule magnetophoretic display sheet, erasing magnet and writing magnet |
| 07/09/2003 | CN2559496Y Dust-suction blackboard slot |
| 07/09/2003 | CN1428254A Micro-capsule magnetic motion display board capable of removing words from surface, words-eliminating magneto and magneto pen |
| 07/02/2003 | CN2558531Y Multifunctional small blackboard |
| 07/01/2003 | US6587099 Coordinate input/detection device detecting installation position of light-receiving device used for detecting coordinates |
| 06/24/2003 | US6582236 Re-usable writing surface |
| 06/18/2003 | CN2556038Y 自动清洁黑板 Automatic cleaning blackboard |
| 06/18/2003 | CN2556037Y Anti-strabismanti-reflection blackboard |
| 06/18/2003 | CN2556036Y 书写板 Writing Pad |
| 06/17/2003 | US6578615 Magic slate capture and display device |
| 06/11/2003 | CN2555167Y Rotary blackboard having self-erasing, dustless large storage and enviromental protection functions |
| 06/11/2003 | CN2555166Y Novel turnover blackboard |
| 06/11/2003 | CN1423216A Alternative supporting device and method |
| 05/29/2003 | US20030098830 Magnetic display |
| 05/28/2003 | EP1315137A2 Magnetic display |
| 05/28/2003 | CN2552722Y Automatic words-erasing dust-proof blackboard |
| 05/28/2003 | CN2552721Y Multi-layer blackboard |
| 05/28/2003 | CN2552720Y Myopia-proof writing plate |
| 05/28/2003 | CN2552719Y Combined teaching writing plate |
| 05/22/2003 | US20030097250 Communication support apparatus and method |
| 05/22/2003 | US20030093933 Erasable sign |
| 05/21/2003 | CN2551471Y Free rolling blackboard |
| 05/21/2003 | CN2551470Y Multifunctional teaching combined writing board |
| 05/21/2003 | CN2551469Y Folding blackboard |
| 05/14/2003 | CN1417040A Ground glass blackboard and its production process |
| 05/06/2003 | US6559820 Tribo-addressed and tribo-suppressed electric paper |
| 05/01/2003 | WO2003035410A1 Dry erasable board |