| Patents for B43L 1 - Repeatedly-usable boards or tablets for writing or drawing (5,148) |
|---|
| 05/01/2003 | US20030080231 Retractable magnetic sheet |
| 04/30/2003 | CN2547523Y Dust-free writing board |
| 04/30/2003 | CN1414515A Electron white plate of built in conductive wire network electromagnetic induction layer |
| 04/30/2003 | CN1413841A Prompting-type whitening plastic teaching board |
| 04/24/2003 | WO2003034328A2 Electronic writing and erasing pencil |
| 04/24/2003 | US20030077563 Erasable coloring device |
| 04/24/2003 | US20030077562 Dry erasable board |
| 04/24/2003 | US20030077561 Web server for printable whiteboards |
| 04/23/2003 | CN2546213Y Small Blackboard |
| 04/23/2003 | CN2546212Y Moving blackboard |
| 04/22/2003 | US6550812 Magnetic write/erase binder |
| 04/16/2003 | CN2544963Y Automatic erasing blackboard |
| 04/09/2003 | CN2543718Y Color combined teaching aid board |
| 04/02/2003 | CN2542458Y Pencil-box type drawing and writing board |
| 04/02/2003 | CN2542457Y Blackboard of iron-powder glass fibre reinforced plastic |
| 04/02/2003 | CN2542456Y New blackboard |
| 04/02/2003 | CN2542455Y Glass whiteboard |
| 03/27/2003 | US20030058227 Electronic whiteboard system |
| 03/26/2003 | CN2541202Y 活动黑板 Activities blackboard |
| 03/26/2003 | CN2541201Y Board with handle |
| 03/26/2003 | CN1103699C 书写装置 Writing device |
| 03/19/2003 | CN2540284Y Flexible writing board with circulation rotation device for cleaning |
| 03/12/2003 | CN2539643Y Magnetic self-teaching wall |
| 03/06/2003 | US20030044763 Display board |
| 03/05/2003 | CN2538556Y Environmental protection magnetic ball blackboard |
| 03/05/2003 | CN2538555Y Automatic wiping environment protection blackboard using chalk |
| 02/26/2003 | CN2537558Y Paper folding type writing board |
| 02/12/2003 | CN2535240Y Automatic-erasing writing board |
| 02/11/2003 | US6518960 Electronic blackboard system |
| 02/11/2003 | US6517355 Magnetically responsive writing device with automated output |
| 02/06/2003 | US20030025681 Electronic whiteboard and electronic whiteboard system including the same |
| 02/05/2003 | CN2534033Y Multi-side folding blackboard |
| 02/05/2003 | CN2534032Y Writing board |
| 01/29/2003 | CN2532987Y Movable blackboard for teaching |
| 01/22/2003 | CN2531949Y Electric driven dustless blackboard |
| 01/22/2003 | CN2531948Y Viewing-aid blackboard |
| 01/22/2003 | CN2531947Y Multi-function shifting type writing brush calligraphy training board |
| 01/22/2003 | CN2531946Y 书写板 Writing Pad |
| 01/15/2003 | CN2530813Y Dustless writing board |
| 01/14/2003 | US6506058 Writing board with reference lines which are invisible from a distance and fabrication process |
| 01/09/2003 | US20030008095 Repositionable flexible markerboard |
| 01/09/2003 | US20030006973 Coordinate position inputting/detecting device, a method for inputting/detecting the coordinate position, and a display board system |
| 01/02/2003 | US20030003255 Adhesive-coated display board |
| 01/02/2003 | US20030001825 Coordinate position inputting/detecting device, a method for inputting/detecting the coordinate position, and a display board system |
| 01/01/2003 | CN1097518C 磁力书写板 Magnetic writing board |
| 01/01/2003 | CN1097517C Distributing composition for magnetic display |
| 12/31/2002 | CA2285833C Magnetophoresis type display device and process of production of same |
| 12/26/2002 | US20020196482 Dry erase printer presentation board |
| 12/24/2002 | US6498590 Multi-user touch surface |
| 12/18/2002 | EP1267200A1 Magnetic display device |
| 12/12/2002 | US20020185981 Multi-user touch surface |
| 12/11/2002 | CN2524949Y New folding blackboard |
| 12/11/2002 | CN2524948Y Multifunction study device |
| 12/11/2002 | CN2524947Y New dust suction blackboard |
| 12/11/2002 | CN2524946Y Arch face writing board |
| 12/04/2002 | CN2523617Y Dustproof erasers |
| 12/04/2002 | CN2523612Y Blackboards |
| 12/04/2002 | CN2523611Y Water cleaned dustless blackboard |
| 12/04/2002 | CN1095430C Electrostatic adsorption posting writing board |
| 11/28/2002 | US20020175902 Transcription system |
| 11/28/2002 | CA2349116A1 Three and multi-face board |
| 11/27/2002 | CN2522264Y Multi purpose push-pull blackboard |
| 11/20/2002 | CN2521062Y 软体磁性书写板 Soft magnetic writing board |
| 11/19/2002 | US6481127 Erasable product |
| 11/14/2002 | US20020166991 Magnetic writing screen dispersion medium |
| 11/13/2002 | CN1094095C Magnetic moving display board |
| 11/07/2002 | US20020163505 Coordinate input/detection device detecting installation position of light-receiving device used for detecting coordinates |
| 11/06/2002 | CN1377788A Multiple colour water mark calligraphy and painting training board |
| 10/31/2002 | US20020160352 Dry erase and tack display board having no frame |
| 10/30/2002 | CN2518700Y Magnetic particle writing board |
| 10/30/2002 | CN2518699Y Blackboard |
| 10/30/2002 | CN2518698Y Automatic erasing blackboard |
| 10/30/2002 | CN2518697Y Arc green board made of aluminium alloy |
| 10/30/2002 | CN1376591A Method for using drawing-writing board |
| 10/23/2002 | CN2517590Y Horizontally pushed multi-layer slide blackboard |
| 10/23/2002 | CN1375403A Dust-free blackboard and its making process |
| 10/22/2002 | US6468666 Magnetic susceptible markerboard |
| 10/16/2002 | CN2516357Y Blackboard with coordinate steel sheet |
| 10/15/2002 | CA2211280C Magnetic migration display panel |
| 10/09/2002 | CN2515036Y 滚珠式黑板 Ball blackboard |
| 10/03/2002 | WO2000076700A9 Display devices, accessories therefor and methods |
| 10/02/2002 | CN2513783Y Non-dust magnetic teaching board |
| 10/02/2002 | CN2513782Y Special pen for magnetic teaching board |
| 10/02/2002 | CN1371813A magnetic granule writing board |
| 10/01/2002 | US6457792 Method for effecting actions over vertical surfaces |
| 09/25/2002 | CN2512622Y Magnetic drawing board capable of wiping at will |
| 09/25/2002 | CN2512621Y Magnetic suction type teaching hanging map board |
| 09/19/2002 | US20020130979 Projection-type display device and software program |
| 09/18/2002 | CN2511499Y Magnetic teaching demonstration device |
| 09/17/2002 | US6450539 Rewritable erasable labels |
| 09/17/2002 | US6450401 Writing board with electronic calculator |
| 09/11/2002 | CN2510308Y Automatic-erasing dustproof blackboard for chalk writing |
| 09/11/2002 | CN1368910A Display devices accessories therefor and methods |
| 09/11/2002 | CN1368436A Circulating blackboard without erasing it |
| 09/06/2002 | WO2002068213A1 Dry erase board for magnets |
| 09/04/2002 | CN2508983Y Magnetic nondust teaching blackboard |
| 09/04/2002 | CN2508982Y Photo sensitive electronic blackboard and its writing & erasing accessories |
| 09/04/2002 | CN2508981Y Automatic removing dust blackboard |
| 09/04/2002 | CN2508980Y Blackboard |
| 09/04/2002 | CN2508979Y Multifunction dustless blackboard with magnetic sliding rolling combined structure |