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