Patents for B43L 1 - Repeatedly-usable boards or tablets for writing or drawing (5,148)
07/2008
07/03/2008US20080160494 Erasable board cover system
07/02/2008CN201080076Y Electric blackboard
07/02/2008CN201080075Y Blackboard device
07/02/2008CN201080074Y Dustless blackboard
07/02/2008CN201080073Y Multifunctional writing board
07/02/2008CN201080072Y Magnetic adsorption writing board
07/02/2008CN101209638A Liftable type blackboard
06/2008
06/25/2008CN201077276Y Push-pull blackboard
06/25/2008CN201077275Y Roll-over self-wiping blackboard
06/25/2008CN201077274Y Blackboard having electric blackboard eraser and rear-vision mirror
06/25/2008CN201077273Y Electric swinging type blackboard eraser
06/25/2008CN201077272Y Lifting blackboard
06/18/2008CN201073872Y Annular-back ash wiping blackboard
06/18/2008CN201073871Y High-capacity folding blackboard
06/18/2008CN201073870Y Multifunctional writing board
06/11/2008EP1930177A1 Projection blackboard and process for producing the same
06/11/2008CN201070924Y Multimedia triangular prism arrangement blackboard
06/11/2008CN201070923Y Blackboard
06/11/2008CN201070922Y Luminous blackboard
06/11/2008CN201070921Y Electromagnetic chalk ash free type writing board and special writing appliances
06/11/2008CN201070920Y Writing board
06/04/2008CN201068037Y Mobile multifunctional blackboard
06/04/2008CN201068036Y Writing and painting exercise board
06/04/2008CN201068035Y Rubber/plastic writing board
06/04/2008CN201068034Y Plastic writing board
06/04/2008CN201068033Y Children intelligence developing board
06/04/2008CN201068032Y Water writing scroll
06/04/2008CN101190631A Dust removing blackboard
06/04/2008CN101190630A Blackboard capable of automatically wiping blackboard
06/04/2008CN101190629A Novel writing board
05/2008
05/28/2008CN201065039Y Drawing exercise board
05/28/2008CN201065008Y Hidden line blackboard
05/28/2008CN201065007Y Novel blackboard
05/28/2008CN201065006Y Indoor writing board
05/28/2008CN101188648A Electronic blackboard
05/28/2008CN101186735A Blackboard panel and producing method thereof
05/14/2008CN101177561A Blackboard environment protection moisture coating agent and preparation method
05/08/2008US20080105550 Magnetic Migration and Reversal Display Panel and Magnetic Migration and Reversal Display Method
05/07/2008CN101172441A Blackboard with automatic writing erasure
04/2008
04/30/2008CN101168338A Lamination blackboard
04/17/2008DE202007013227U1 Glastafel Glass panel
04/16/2008CN101161471A A blackboard with double wiping strips
04/08/2008US7354273 Dry erasable board
04/02/2008EP1904314A2 Method for manufacturing a visual communication panel having a ceramic surface layer
03/2008
03/26/2008CN101148137A Integral formed writing board frame and its preparation method
03/20/2008US20080070228 Versatile Messaging System
03/19/2008CN201036952Y Electric controlled type multi-function blackboard
03/19/2008CN201036951Y Multifunctional magnetic nail board with matrix small hole
03/19/2008CN101143537A Mobile blackboard with erasing and brushing tools
03/12/2008CN201035304Y Blade-rotating silver screen used by classroom
03/12/2008CN201033512Y Modified type tablet
03/12/2008CN101138925A Multi-function desktop assembly
03/06/2008US20080057485 Drawing tablet for underwater or extreme environment
03/05/2008CN201030737Y Drawing writing board
03/05/2008CN101135948A Electronic blackboard
03/05/2008CN101133913A Frame and white board using said frame
02/2008
02/27/2008CN201026750Y Blackboard with magnetic plaster coordinates
02/20/2008CN201023375Y Shaking cleaning type blackboard
02/20/2008CN101125504A Electric blackboard
02/20/2008CN101125503A Magnetic blackboard
02/13/2008CN201021028Y Automatic blackboard wiper device
02/13/2008CN201021019Y Multiplayer sliding type blackboard
02/13/2008CN201021018Y 磁性黑板 Magnetic blackboard
02/13/2008CN201021017Y Novel blackboard
02/13/2008CN201021016Y Multifunctional teaching writing demonstration board
02/13/2008CN201021015Y Ecological environment-friendly writing board
02/13/2008CN201021014Y Magnetic black-board
02/13/2008CN201021013Y Dust-free writing board and dust-free pen
02/13/2008CN101121364A Viewing-aid blackboard and its manufacturing method and writing method
02/07/2008US20080033728 Communication support apparatus and method
02/06/2008CN201015940Y Automatic dust-absorption blackboard eraser machine
02/06/2008CN101119858A Calendar board which distinguishes the holiday and the normal day
01/2008
01/30/2008CN201012588Y Drawing board for teaching
01/24/2008WO2007034486A3 Adaptable device and system to provide an interface for media imparting educational material
01/23/2008CN201009587Y Blackboard with emergency illuminator
01/23/2008CN201009586Y Dust absorbing blackboard
01/23/2008CN201009585Y Concave type slant blackboard
01/23/2008CN201009584Y Mobile blackboard with brush tool
01/23/2008CN201009583Y Panel without pen, ink and paper
01/23/2008CN101108569A Dustfree mark extinguishing similarity and different active green plate and writing ink
01/16/2008CN201006666Y Magnetic writing board
01/16/2008CN101104364A Up-down blackboard
01/09/2008CN201002447Y Non-reflecting blackboard
01/09/2008CN201002446Y Dustless blackboard
01/02/2008CN200998972Y Electric magnetic blackboard eraser
01/02/2008CN200998964Y Flexible blackboard
01/02/2008CN200998963Y Electric water wiping blackboard
01/02/2008CN200998962Y Magnetic writing board
12/2007
12/26/2007CN200995553Y Environmental-protecting and self-erasing teaching blackboard with electric flexible side
12/26/2007CN200995552Y Automatic blackboard
12/26/2007CN200995551Y Portable laminated blackboard
12/26/2007CN200995550Y Movable blackboard wall hanger
12/26/2007CN200995549Y Writing board with dust-collecting function
12/26/2007CN101094729A Assembly for the movement of a paint tray
12/26/2007CN101092094A Punchy static writing surface of woody material
12/26/2007CN100357993C Electromagnetic driving multi-color display device, display writing device and method for making same
12/19/2007CN200992074Y Multifunction blackboard
12/19/2007CN200992073Y Self-erasing tpe blackboard
12/19/2007CN200992072Y Moveable blackboard
12/19/2007CN200992071Y Light-regulated curve blackboard
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