Patents for B43L 1 - Repeatedly-usable boards or tablets for writing or drawing (5,148)
12/2009
12/30/2009CN100575121C Method for manufacturing a visual communication panel with ceramic surface layer
12/24/2009US20090317777 Educational Systems and Methods for Learning How to Spell
12/23/2009CN201366888Y Automatic blackboard cleaning system
12/23/2009CN201366880Y Strengthened glass blackboard
12/23/2009CN201366879Y Novel blackboard newspaper board
12/23/2009CN201366878Y Chalkrail
12/23/2009CN201366877Y Magnetic attraction object-holding device
12/23/2009CN201366876Y Magnetic writing blackboard
12/23/2009CN101609630A Bistable magnetic display panel and manufacturing method thereof
12/16/2009CN201362120Y Multifunctional pen container
12/16/2009CN201362100Y Convenient blackboard
12/16/2009CN201362099Y Automatic blackboard
12/16/2009CN201362098Y Improved blackboard
12/16/2009CN201362097Y Automatically-wiping blackboard
12/16/2009CN201362096Y White board frame structure
12/16/2009CN101602307A Environmentally-friendly safe magnetic drawing board core
12/15/2009US7632103 Modular board arrangement
12/15/2009US7632102 Classroom instructional tool
12/09/2009CN201357662Y Roller shutter type magnetic blackboard
12/09/2009CN201357661Y Automatic dust-removing blackboard
12/09/2009CN201357660Y Blackboard equipped with full-automatic dust collection device
12/09/2009CN201357659Y Blackboard capable of absorbing dust
12/09/2009CN201357658Y Magnetic teaching board
12/09/2009CN201357657Y Blackboard with clean blackboard eraser
12/09/2009CN201357656Y Safety glass writing board capable of attaching pictures with magnetic nails
12/09/2009CN201357655Y Content flashboard device for education and entertainment
12/03/2009US20090298041 Writing board
12/02/2009CN201353950Y Dustless blackboard
12/02/2009CN101593476A Multifunctional advertisement light box
12/02/2009CN101590770A Environmental-friendly durable glass writing board
11/2009
11/25/2009CN201350765Y Multi-function rolling-type dust-free blackboard
11/25/2009CN201350764Y Menu
11/25/2009CN101585283A Electric erasing type dustfree soft blackboard
11/19/2009WO2009105694A3 Device for providing a magnetic surface
11/18/2009CN201346937Y Blackboard eraser and blackboard using same
11/18/2009CN201346932Y Novel blackboard
11/18/2009CN201346931Y Multi-function chalkrail
11/18/2009CN201346930Y Blackboard
11/18/2009CN201346929Y Self-cleaning blackboard
11/18/2009CN201346928Y Wordpad
11/11/2009CN201342884Y Pull-type blackboard eraser
11/11/2009CN201342873Y Blackboard with convenient eraser strip
11/11/2009CN201342872Y Blackboard
11/11/2009CN101574883A Tiny magnetic grid blackboard
11/05/2009US20090273833 Single manufacturing process for great writable and erasable functional projecting screen with developing performance
10/2009
10/29/2009US20090266721 School management system
10/28/2009CN201333877Y Blackboard with chalk box
10/28/2009CN201333876Y Teaching blackboard
10/28/2009CN101564957A Magnetic cylinder type liquid concealed lattice writing board
10/27/2009US7607919 Magnetic substance display panel
10/22/2009DE202009007928U1 Wechselbare und wieder verwendbare Schreibauflage Removable and reusable writing surface
10/21/2009CN201329749Y Rolling type blackboard eraser
10/21/2009CN201329737Y Electric teaching blackboard
10/21/2009CN201329736Y Novel blackboard
10/21/2009CN201329735Y Novel blackboard
10/21/2009CN201329734Y Cleaning-facilitated blackboard
10/21/2009CN201329733Y Multifunctional blackboard
10/21/2009CN201329732Y Blackboard chalk dust collecting device
10/21/2009CN100551964C Blackboard panel and producing method thereof
10/20/2009US7604481 White board and white board display system
10/14/2009CN201325266Y Fast automatic blackboard eraser
10/14/2009CN201325261Y Dual-purpose environmental protection blackboard
10/14/2009CN201325260Y Multi-function blackboard
10/14/2009CN201325259Y Novel movable blackboard
10/14/2009CN201325258Y Self adhesive white board
10/14/2009CN101554816A Omnibearing fast blackboard eraser
10/07/2009CN201320908Y Full-automatic blackboard cleaning system
10/07/2009CN201320900Y Environment-friendly blackboard
10/07/2009CN201320899Y Blackboard
10/07/2009CN201320898Y Novel blackboard
10/07/2009CN201320897Y Rotary blackboard
10/07/2009CN101549605A Multimedia teaching blackboard and teaching method
10/07/2009CN101549604A Dustproof blackboard
09/2009
09/30/2009CN201317205Y Electric blackboard with electronic display screen
09/30/2009CN201317204Y Electric blackboard cleaner
09/30/2009CN201317203Y Circulation-type cleaning-free blackboard
09/30/2009CN201317202Y Convenient cleaning blackboard
09/24/2009WO2009066962A3 The method for constructing of blackboard
09/24/2009US20090235562 Display board with integrated card holder and related method of manufacture
09/17/2009WO2009114598A1 Portable retractable erasable writing surface
09/17/2009US20090233265 Portable Retractable Erasable Writing Surface
09/17/2009CA2751763A1 Portable retractable erasable writing surface
09/16/2009CN201309335Y Blackboard
09/16/2009CN101531111A Method for manufacturing implicit writing plate
09/11/2009WO2009090441A3 Front erase magnetic drawing board and magnetic eraser
09/09/2009CN201304811Y Small multifunctional blackboard
09/09/2009CN201304810Y Blackboard
09/09/2009CN201304809Y Self-cleaning writing board
09/09/2009CN201304808Y Writing stationery
09/09/2009CN201304807Y Glass blackboard
09/09/2009CN201304806Y Multi-functional caring reminding rack
09/03/2009WO2009106017A1 An erasable and writable magnet board
09/03/2009WO2009105944A1 A magnetic whiteboard sheet
09/02/2009CN201300620Y Rolling blackboard
09/02/2009CN201300619Y Multifunctional blackboard
09/02/2009CN201300618Y Multidirectional writing board
09/02/2009CN101519013A Reflection prevention blackboard with adjusting angle
08/2009
08/27/2009WO2009105694A2 Device for providing a magnetic surface
08/26/2009CN201296123Y Blackboard eraser with article storage box
08/26/2009CN201296118Y Multifunctional blackboard
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