Patents for B43L 1 - Repeatedly-usable boards or tablets for writing or drawing (5,148) | |
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04/2009 | |
04/22/2009 | CN201224263Y Multifunctional white board message clip |
04/22/2009 | CN201224262Y Magnet blackboard and blackboard pen and blackboard eraser used therewith |
04/22/2009 | CN201224261Y Novel composite white board |
04/16/2009 | CA2641191A1 Writing board organizing product with storage compartment |
04/15/2009 | CN201220538Y Novel windshield wiper type blackboard |
04/15/2009 | CN201220537Y Multifunctional blackboard |
04/15/2009 | CN101409810A Projector and projector accessory |
04/14/2009 | CA2465752C Erasable writing system |
04/09/2009 | WO2009044249A1 Device for making annotations on a backing |
04/09/2009 | US20090092957 Finger eraser |
04/08/2009 | CN201217332Y Dust absorption blackboard |
04/08/2009 | CN201216341Y White plate suspension positioning device |
04/08/2009 | CN101402293A Electric blackboard with electronic display screen |
04/02/2009 | DE102008044775A1 Tafelförmige Arbeitsunterlage für das Verrichten von insbesondere Büroarbeiten Tabular working document for the execution of any particular office work |
04/02/2009 | DE102007044875A1 Plattenförmiges Bauteil Plate-shaped component |
04/01/2009 | CN201214343Y Blackboard with double layer brushes |
04/01/2009 | CN201214342Y Water scraping type blackboard |
03/2009 | |
03/26/2009 | WO2009037585A2 Multi-sensory education device |
03/26/2009 | CA2682723A1 Multi-sensory educational device |
03/25/2009 | CN201211791Y Blackboard |
03/25/2009 | CN201211790Y Blackboard |
03/25/2009 | CN201211789Y Eye-protection blackboard |
03/25/2009 | CN201211788Y Whiteboard |
03/25/2009 | CN201211787Y Whiteboard |
03/25/2009 | CN201211786Y Whiteboard |
03/25/2009 | CN201211785Y Electronic blackboard and electronic writing pen and blackboard eraser thereof |
03/19/2009 | WO2009035800A1 Mountable writing assembly |
03/19/2009 | CA2698991A1 Mountable writing assembly |
03/18/2009 | CN201208854Y Blackboard |
03/18/2009 | CN201208853Y Reflecting-proof blackboard |
03/12/2009 | US20090068632 Mountable writing assembly |
03/11/2009 | CN201205823Y Multifunctional blackboard |
03/11/2009 | CN201205822Y Blackboard slot |
03/11/2009 | CN201205821Y Non-consuming magnetic writing board |
03/10/2009 | US7502018 Projector, electronic whiteboard system using projector and method of acquiring indicated point |
03/06/2009 | CA2600212A1 Shoe with writing surface |
03/04/2009 | CN201201436Y Water writing blackboard |
03/04/2009 | CN201201435Y Foldable two-sided blackboard |
03/04/2009 | CN201201434Y Blackboard capable of being identified clearly |
03/04/2009 | CN201201433Y Washable memo pad |
02/2009 | |
02/26/2009 | US20090053685 Accessory for a display screen |
02/18/2009 | EP2025532A2 Presentation system |
02/18/2009 | CN201195449Y Chalk dust groove easy to clean |
02/18/2009 | CN201195448Y Water channel for blackboard |
02/18/2009 | CN201195447Y Teaching aid for teacher for children |
02/18/2009 | CN101367309A Negative-pressure dust-less blackboard |
02/18/2009 | CN101367308A Multifunctional environment friendly blackboard |
02/18/2009 | CN100462975C Information presentation method and information presentation apparatus |
02/11/2009 | CN201192958Y Blackboard |
02/11/2009 | CN201192957Y Environment friendly digital blackboard |
02/10/2009 | US7489308 Determining the location of the tip of an electronic stylus |
02/05/2009 | WO2009017486A1 Golf training method and impact-removable substance applicator |
02/04/2009 | CN201189788Y Dust absorbing device for blackboard |
02/04/2009 | CN201189784Y Light absorpting blackboard |
02/04/2009 | CN201189783Y Dust absorpting blackboard |
02/04/2009 | CN201189782Y Writing board |
02/04/2009 | CN101357024A Multi-angle oblique vertical reading and writing board |
02/04/2009 | CN100457475C Dustless coloured magnetic powder writing blackboard |
02/03/2009 | US7486270 Electromagnetic induction electronic board with antenna arrayed in gridding inside |
01/2009 | |
01/29/2009 | WO2008138514A3 Inscribing device |
01/28/2009 | CN201186558Y Erasable magnetic plate |
01/21/2009 | CN201183407Y Novel blackboard |
01/21/2009 | CN201183406Y Blackboard |
01/14/2009 | CN201179792Y Blackboard with slide small blackboard |
01/14/2009 | CN201179791Y Multifunctional blackboard |
01/14/2009 | CN201179790Y Board for practising Chinese brush character |
01/14/2009 | CN201179789Y Economic exercise book |
01/14/2009 | CN101342835A Magnetic drawing board core and filling suspending liquid |
01/08/2009 | WO2009005248A1 Sliding blackboard |
01/07/2009 | CN201176080Y Blackboard convenient for cleaning |
01/07/2009 | CN201176079Y Multifunctional blackboard |
01/07/2009 | CN201176078Y High clear board for writing |
01/07/2009 | CN201176077Y Magnetic wall chart |
01/07/2009 | CN201176076Y Sheet material of magnetic white board |
01/07/2009 | CN100448697C Turn-over type blackboard |
12/2008 | |
12/31/2008 | WO2009002803A1 Multi-media memo board |
12/31/2008 | CN201172335Y Environment-protecting blackboard |
12/31/2008 | CN201172334Y Composite safety glass writing board |
12/31/2008 | CN101332734A Blackboard capable automatically cleaning |
12/24/2008 | CN201169159Y Electric demagnetizing mechanism for drawing board |
12/23/2008 | CA2520308C Erasable writing system |
12/17/2008 | CN201165133Y Multifunctional blackboard |
12/17/2008 | CN201165132Y Electric blackboard |
12/17/2008 | CN201165131Y Convenient blackboard |
12/17/2008 | CN201165130Y Multifunctional blackboard |
12/17/2008 | CN101323224A Indoor combined writing pad |
12/17/2008 | CN101323223A Teaching demonstration and board writing teaching aid |
12/14/2008 | CA2591514A1 Ink erase concept scroll |
12/10/2008 | CN201161504Y Repeatedly-usable writing carrier |
12/04/2008 | WO2008146672A1 Shade detection system |
12/03/2008 | CN201158251Y Multifunctional blackboard |
12/03/2008 | CN101314301A Flexible blackboard |
12/03/2008 | CN101314300A Magnetic adsorption writing board |
11/2008 | |
11/26/2008 | CN201154616Y Multifunctional blackboard |
11/26/2008 | CN201154615Y Multifunctional blackboard |
11/26/2008 | CN101311002A Writing board |
11/20/2008 | WO2008139046A1 Electronically renewable image pixels |
11/20/2008 | US20080286744 Foldable Dry Erase Board |
11/19/2008 | EP1644199B1 Rewritable and erasable writing sheet |
11/19/2008 | CN201152115Y Multifunction door |