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