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