Patents for B43L 1 - Repeatedly-usable boards or tablets for writing or drawing (5,148)
08/2009
08/26/2009CN201296117Y Novel blackboard
08/26/2009CN201296116Y Extractable chalk-rail
08/26/2009CN201296115Y White sticky board for teaching
08/26/2009CN201296114Y White board writing and drawing pen set
08/26/2009CN101513809A Electric blackboard
08/19/2009CN201291678Y Novel blackboard
08/19/2009CN201291677Y Novel blackboard
08/19/2009CN201291676Y Slice viewing blackboard
08/19/2009CN201291653Y Repeatedly-usable writing book
08/19/2009CN101508218A Blackboard convenient for student viewing
08/12/2009CN201287550Y Electric blackboard
08/12/2009CN201287549Y Multifunctional environment friendly blackboard
08/12/2009CN201287548Y Slide white board
08/12/2009CN201287547Y Multifunctional writing exhibit board
08/12/2009CN201287546Y Whiteboard
08/12/2009CN201287545Y White board of loudspeaker box
08/12/2009CN201287544Y Writing exhibiting board
08/05/2009CN201283727Y Blackboard
08/05/2009CN201283726Y 多功能黑板 Multifunction blackboard
08/05/2009CN201283725Y Dustless writing board
08/05/2009CN201283724Y Dustless writing board with circular arc corner frame
08/05/2009CN201283723Y Rolling self-wiping teaching board
08/05/2009CN101497292A Writing and displaying board for colorful painting
08/04/2009US7568916 Drawing apparatus and method
08/04/2009US7568915 Writing board with convertible stand
07/2009
07/29/2009CN201280006Y Folding blackboard
07/29/2009CN201280005Y 多功能黑板 Multifunction blackboard
07/29/2009CN201280004Y Ampliative white panel
07/29/2009CN101491988A Roller shutter type magnetic blackboard
07/23/2009WO2009090441A2 Front erase magnetic drawing board and magnetic eraser
07/23/2009DE202009006608U1 Tafel schulischer Art aus synthetischem Material School board kind of synthetic material
07/15/2009CN201272141Y Novel technological blackboard
07/15/2009CN201272140Y Drawing board for children
07/15/2009CN201272139Y Two-sided rotary type whiteboard device
07/15/2009CN201272138Y Two-sided rotary type whiteboard main body structure
07/08/2009CN201268177Y Novel blackboard
07/08/2009CN201268176Y Arced glass anti-fatigue green plate
07/08/2009CN101474929A Module assembling type rolling writing board
07/01/2009CN201264445Y Negative-pressure dust-less blackboard
07/01/2009CN201264444Y Chalk dust receiver
06/2009
06/24/2009CN201261329Y Electrified blackboard
06/24/2009CN201261328Y 多功能黑板 Multifunction blackboard
06/18/2009US20090155759 Projection blackboard, and producing process thereof
06/18/2009US20090153526 Determining the location of the tip of an electronic stylus
06/17/2009CN201257849Y Movable blackboard
06/17/2009CN201257848Y Convenient teaching blackboard
06/17/2009CN201257847Y Blackboard with ferula
06/17/2009CN201257846Y Movable composite blackboard with post projection curtain
06/17/2009CN201257845Y Intelligent environment-friendly type full-automatic scrubbing type blackboard
06/10/2009CN201254025Y Blackboard
06/10/2009CN201254024Y 黑板 Blackboard
06/10/2009CN201254023Y Note board
06/04/2009US20090139065 Display materials, accessories therefor and methods
06/03/2009CN201249604Y Combined device of electronic whiteboard and blackboard
06/03/2009CN201249603Y Portable blackboard
06/03/2009CN201249602Y Colorful luminous wordpad
06/03/2009CN201249601Y Three-in-one teaching board
06/03/2009CN201249600Y Sheet-shaped material capable of repeatedly using replaced paper
06/03/2009CN201249599Y Combined paper and corollary appliance thereof
06/03/2009CN101445016A Combination-typed multi-functional normal blackboard with USD interface
06/03/2009CN101445015A Photovoltaic combination-typed multi-functional normal blackboard with USD interface
06/03/2009CN101445014A Photovoltaic combination-typed multi-functional board
06/03/2009CN100494568C Sheet capable of forming erasable print on surface
05/2009
05/28/2009WO2009066962A2 The method for constructing of blackboard
05/27/2009CN201247568Y Novel advertisement lamp box
05/27/2009CN201247567Y Advertisement lamp house
05/27/2009CN201245004Y Automatic blackboard
05/27/2009CN201245003Y Novel blackboard
05/27/2009CN201245002Y Multifunctional blackboard
05/27/2009CN201245001Y Novel blackboard
05/27/2009CN201245000Y Dustless writing board with octagonal frame
05/27/2009CN101439638A Dustless electric cleaning type blackboard
05/27/2009CN101439637A Rice-paper imitated frosted glass handwriting practicing plate
05/21/2009CA2611805A1 Multiuse dry erase writing and projection surface
05/20/2009CN201242829Y Information intercommunion board for serious pronunciation prohibition patient
05/20/2009CN201240172Y Multi-layer lift type blackboard teaching aid
05/20/2009CN201240171Y Double-frame hanging lift type blackboard
05/20/2009CN201240170Y Multifunctional environment-protective dustfree teaching board
05/20/2009CN101436352A Combined multifunctional board
05/20/2009CN100488787C White board
05/13/2009CN201235682Y Novel roller type environment friendly blackboard
05/13/2009CN201235681Y Blackboard with soft face
05/13/2009CN201235680Y Double-layer blackboard convenient to wipe
05/13/2009CN201235679Y Blackboard
05/13/2009CN201235678Y Movable project screen for teaching
05/06/2009CN201231625Y Blackboard capable of automatic clearing chalk dust
05/06/2009CN201231624Y Easy-cleaning blackboard groove
05/06/2009CN201231623Y Environment-protecting blackboard
05/06/2009CN201231622Y Portable erasable board
04/2009
04/29/2009CN201227916Y Blackboard
04/29/2009CN201227915Y Glass black and white board with magnetic suction function
04/29/2009CN201227914Y Black and white board
04/29/2009CN101417574A Improved blackboard
04/29/2009CN101417573A Dust-less blackboard
04/23/2009WO2007025283A3 Photo-chromic toys, photo-chromic light drawing sets, photo-chromic playsets, hand held activating light sources, and activation light projectors
04/22/2009CN201224268Y Dustless blackboard
04/22/2009CN201224267Y Novel blackboard
04/22/2009CN201224266Y Depression angle adjustable blackboard
04/22/2009CN201224265Y Dustless blackboard
04/22/2009CN201224264Y Multifunctional blackboard cleaning tool
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