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