Patents for B43L 1 - Repeatedly-usable boards or tablets for writing or drawing (5,148) |
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03/22/2006 | CN2765787Y Wiping-free blackboard |
03/22/2006 | CN2765786Y Myopia prevention paper board for writing and drawing |
03/22/2006 | CN1749031A Magnetic blackboard |
03/21/2006 | US7015892 Magnetophoretic display panel |
03/15/2006 | CN2764632Y Combined blackboard |
03/14/2006 | CA2317911C Magnetophoretic display panel |
03/08/2006 | CN2763076Y Electric, rotating and strip-like blackboard |
03/08/2006 | CN1743185A Back-erasing automatic-cleaning backboard |
03/01/2006 | CN2761428Y Dustproof blackboard |
02/22/2006 | CN2759806Y Multifunctional double-faced copy writing board |
02/15/2006 | CN2758092Y Fast blackboard eraser |
02/15/2006 | CN2758091Y Turn up type combined structure blackboard |
02/15/2006 | CN1242319C Electron white plate of built-in conductive wire network electromagnetic induction layer |
02/15/2006 | CN1241757C Marble-like blackboard and its making technology |
02/14/2006 | US6999061 Electronic whiteboard system |
02/09/2006 | WO2006014239A2 Dry erase article |
02/01/2006 | CN2754899Y Dust-collecting blackboard |
02/01/2006 | CN2754898Y Blackboard |
02/01/2006 | CN1729034A Message doll and message doll set |
01/31/2006 | US6991466 Note board apparatus and kit |
01/26/2006 | US20060016951 Easel stand mountable display board |
01/25/2006 | CN1725389A Magnetic display method based on two-color magnetic microfoil and one manufacturing method of the microfoil |
01/19/2006 | US20060014133 Pre-writing teaching aid and method to assist beginning writers in creating letters |
01/19/2006 | DE202005015948U1 Book rest for use when reading in bath comprises board with rail at its base which is attached by pivot to suction cup fastened to side of bath |
01/18/2006 | CN2752876Y Horizontal moving audio-visual education demonstration board |
01/18/2006 | CN2752069Y Magnetic writing board core plate |
01/18/2006 | CN2752068Y Shading plate for preventing blackboard reflecting light |
01/18/2006 | CN1237388C Magnetic surge and electromagnetic surge display |
01/11/2006 | CN1235754C Ground glass blackboard and its production process |
01/05/2006 | US20060003307 Dry erase article |
01/04/2006 | CN1715079A Magnetic pen blackboard |
12/08/2005 | WO2005116810A2 Electronic blackboard system and method of controlling display thereof |
12/08/2005 | US20050271452 Ultraviolet invisible ink dry erase board |
12/07/2005 | CN2744528Y 磁性黑板 Magnetic blackboard |
12/07/2005 | CN2744527Y 磁性黑板 Magnetic blackboard |
12/07/2005 | CN2744526Y Rotary type teaching board |
12/07/2005 | CN2744525Y Dust preventing blackboard |
12/07/2005 | CN1704260A Dust-free blackboard |
12/06/2005 | US6972151 Magic slate capture and display device |
12/06/2005 | US6971880 Deformable drawing tablet |
11/30/2005 | CN2743144Y 磁性黑板 Magnetic blackboard |
11/30/2005 | CN2743143Y Blackboard dust decontaminating device |
11/24/2005 | US20050258639 Protection and nondestructive annotation of documents |
11/23/2005 | CN2741788Y Hanging black board |
11/17/2005 | WO2005108116A1 Forming an artwork by casting |
11/09/2005 | CN2739009Y Paper drawing-writing board of preventing myopia |
11/09/2005 | CN2739008Y Paper drawing-writing board of preventing near sightedness |
11/08/2005 | US6962315 Multi-purpose clamping device |
11/02/2005 | CN2737569Y 软性书写板 Soft tablet |
11/02/2005 | CN2737568Y Automatic water-cleaning electric blackboard |
11/02/2005 | CN2737567Y Drawing board |
10/27/2005 | WO2005002391A3 Encapsulated tray, end caps, and method for making the same for a writing board |
10/27/2005 | US20050236096 Method and apparatus for substantially lifting erasable marked images from a marking surface or the like |
10/27/2005 | DE202005012973U1 Black board, has bag, and base body equipped with fiber mat which is provided with undercoating on side that is turned away from base body, where undercoating consists of material that can be washed with water |
10/26/2005 | CN2736179Y 多功能黑板 Multifunction blackboard |
10/26/2005 | CN1686718A Dustless coloured magnetic powder writing blackboard |
10/23/2005 | CA2504194A1 Method and apparatus for substantially lifting erasable marked images from a marking surface or the like |
10/20/2005 | US20050231309 Board having magnetic members |
10/12/2005 | CN2732501Y Electric rotating type automatic erasing board device |
10/12/2005 | CN2732497Y Multifunctional drawing board |
10/12/2005 | CN2732496Y Environment-friendly type dustless blackboard |
10/12/2005 | CN2732495Y 自净式黑板 Self-purification blackboard |
10/12/2005 | CN2732494Y 电动书写黑板 Electric blackboard writing |
10/05/2005 | CN2730634Y Synchronous axle lifting blackboard device |
10/04/2005 | US6952285 Image reading device that adjusts for weakening of scanner elements over time |
09/29/2005 | DE202005011616U1 Notepad for folding blackboard, has sheets with middle section joined along fold lines to two side sections |
09/28/2005 | CN2728782Y Automatization teaching board |
09/27/2005 | US6948210 Automated board eraser |
09/21/2005 | EP1576993A1 Message doll and message doll set |
09/20/2005 | US6945785 Dry erase board with image in relief |
09/20/2005 | CA2151822C An erasable product |
09/09/2005 | WO2005081946A2 Assembly for the movement of a paint tray |
09/07/2005 | CN2723216Y Blackboard composed of word appearing board when meeting water and paper board |
09/07/2005 | CN2723215Y Blackboard composed of word appearing board when meeting water and paper board |
09/01/2005 | US20050191611 White board and white board display system |
08/25/2005 | US20050186552 Board for drawing and writing |
08/25/2005 | US20050186439 May be subjected to silk screening and sublimation printing which is permanent |
08/25/2005 | US20050186391 Dry erasable board |
08/24/2005 | CN2719604Y Dust-reducing blackboard |
08/24/2005 | CN2719603Y Circulating self-erasing dust-proof blackboard |
08/24/2005 | CN2719602Y Instant adhesive type magnetic plastic writing board |
08/23/2005 | CA2374343C Display devices, accessories therefor and methods |
08/18/2005 | US20050181351 Method and apparatus for providing a card with penmanship improving indicia |
08/11/2005 | WO2005042272A3 Pivoting panel system |
08/11/2005 | US20050175390 Erasable writing system |
08/10/2005 | CN2716015Y Blackboard eraser |
08/04/2005 | WO2005070702A1 White board and white board display system |
08/04/2005 | US20050170173 Reusable printing-writing sheets with a surface on which dry erasable markings, and possibly also permanent markings, can be made |
08/04/2005 | CA2552429A1 White board and white board display system |
07/27/2005 | CN2712653Y Soft rotary blackboard |
07/26/2005 | US6922202 Image display apparatus and method, information processing apparatus using the image display apparatus, and storage medium |
07/21/2005 | US20050158113 Erasable writing system |
07/20/2005 | CN2710918Y Board with its words displayed by using water |
07/20/2005 | CN2710917Y Whtie paper board |
07/13/2005 | CN2709191Y Magnetic drawing and writing board with music device |
07/13/2005 | CN2709190Y Writing board for preventing myopia |
07/13/2005 | CN2709189Y Multifunction writing board with myopia preventing function |
07/12/2005 | US6917442 Electronic printboard apparatus and its printing method |
07/07/2005 | US20050147956 Erasable document marking apparatus |
07/06/2005 | CN2707523Y Blackboard |