| Patents for B43L 1 - Repeatedly-usable boards or tablets for writing or drawing (5,148) |
|---|
| 12/19/2007 | CN200992070Y Liquid crystal projection blackboard |
| 12/19/2007 | CN200992069Y Self-erasing type blackboard |
| 12/19/2007 | CN200992068Y Magnetic wrighting board special for blackboard writing pen |
| 12/19/2007 | CN200992067Y Novel writing board |
| 12/13/2007 | US20070287143 Adhesive-backed chalkboard wall covering |
| 12/13/2007 | DE202007013443U1 Schreibtafel / Laptopständer Blackboard / Laptop Stand |
| 12/12/2007 | CN200988374Y Combined teaching plate |
| 12/12/2007 | CN200988373Y Multifunction lamp box band writing plate |
| 12/06/2007 | DE102006024998A1 Whiteboard, pin board, magnet board, moderator board or partition wall, comprises a core having two-component foam and a surface material arranged on a side of the core, and a frame element arranged at a narrow side of the board |
| 12/05/2007 | CN200984905Y 电动黑板擦 Electric eraser |
| 12/04/2007 | US7303806 Combination writing board/reflecting screen sheet |
| 11/28/2007 | CN200981424Y Novel blackboard |
| 11/22/2007 | WO2007131389A1 A basis material for writing |
| 11/21/2007 | CN200977805Y Blackboard groove |
| 11/14/2007 | CN200974409Y Easily-wiping blackboard |
| 11/14/2007 | CN200974408Y Blackboard |
| 11/14/2007 | CN200974407Y 折叠式书写板 Folding tablet |
| 11/13/2007 | US7293993 Board assembly |
| 11/07/2007 | CN200970968Y 除尘黑板 Dust blackboard |
| 11/07/2007 | CN200970967Y Blackboard |
| 11/07/2007 | CN101066652A Concentratively controlled multimedia teaching system |
| 10/31/2007 | CN200967353Y Blackboard |
| 10/31/2007 | CN200967352Y Special drawing board |
| 10/24/2007 | CN200964005Y 多功能黑板擦 Multifunction eraser |
| 10/24/2007 | CN200964004Y 电动黑板擦 Electric eraser |
| 10/17/2007 | CN200960810Y Automatic wiping-free blackboard |
| 10/17/2007 | CN200960809Y Metal writing board |
| 10/17/2007 | CN200960808Y Multifunctional steam handwriting-drawing exerciser |
| 10/10/2007 | CN200957717Y Electric self-cleaning blackboard |
| 10/10/2007 | CN200957716Y Blackboard |
| 10/10/2007 | CN200957715Y Electric self-erasing blackboard |
| 10/04/2007 | WO2007111329A1 Information code reading apparatus and reading method |
| 10/04/2007 | US20070229457 Electronic Blackboard System and Method of Controlling Display Thereof |
| 10/04/2007 | DE202007011132U1 Wandschreibbrett, klappbar, für Arbeits- und Wohnbereich Wall writing board, folding, for working and living space |
| 10/04/2007 | DE202007010920U1 Präsentationssystem Presentation system |
| 10/03/2007 | CN200954736Y Blackboard |
| 10/03/2007 | CN101045420A Automatic eraser device |
| 10/02/2007 | US7277845 Communication support apparatus and method |
| 09/19/2007 | CN200948709Y Dust-free water scrubbing blackboard |
| 09/12/2007 | CN200945780Y Blackboard with dust-proof blackboard eraser |
| 09/05/2007 | CN200942657Y Folding blackboard |
| 09/04/2007 | US7264477 Underwater drawing tablet |
| 08/29/2007 | CN200939771Y Classroom magnetic teaching boards |
| 08/29/2007 | CN200939770Y Subdued light white board for writing |
| 08/29/2007 | CN200939769Y Buisiness writing boards |
| 08/29/2007 | CN101024359A Multifunction teaching writing demonstration board |
| 08/22/2007 | CN2936781Y Hand rotating automatic erasing dustless blackboard |
| 08/22/2007 | CN2936780Y Built-in dust collecting rolling blackboard |
| 08/22/2007 | CN2936779Y Blackboard of two using |
| 08/22/2007 | CN1333380C Magnetic electrophoretic display device and its manufacturing method |
| 08/16/2007 | US20070188475 Projector and projector accessory |
| 08/15/2007 | CN2933906Y 滑动式黑板擦 Sliding eraser |
| 08/15/2007 | CN2933897Y Blackboard with dust collector |
| 08/15/2007 | CN2933896Y Loose-leaf teaching board and magnetic brush |
| 08/14/2007 | US7255566 Write-on wipe-off book holder |
| 08/01/2007 | CN2928528Y Convenient cleaning blackboard |
| 07/31/2007 | US7249745 Encapsulated end caps and method of making the same for a writing board tray |
| 07/26/2007 | WO2007083317A1 Organizer message board |
| 07/25/2007 | CN2925915Y Automatic teaching blackboard |
| 07/25/2007 | CN101003228A Magnetism display method and device based on two-color magnetic fine particle |
| 07/18/2007 | CN2923372Y Slide-groove type blackboard eraser |
| 07/18/2007 | CN2923359Y Erazible drawing book |
| 07/18/2007 | CN2923358Y Novel blackboard |
| 07/18/2007 | CN2923357Y Electronic dust-free blockboard |
| 07/18/2007 | CN1326713C Novel rewritable magnetic writing board and its using method |
| 07/17/2007 | US7244327 Method and apparatus for substantially lifting erasable marked images from a marking surface or the like |
| 07/11/2007 | CN2920691Y Non-erazing automatic positioning writing board |
| 07/11/2007 | CN2920690Y Writing appliance with field emission display structure |
| 07/04/2007 | CN2918244Y 粉笔盒托架 Chalk box bracket |
| 07/04/2007 | CN2918088Y Dust absorption blackboard |
| 07/04/2007 | CN2918087Y Tactics directing board for writing, drawing, playing chess and ball games |
| 07/04/2007 | CN1990846A Special-purpose cleaning agent for blackboard |
| 06/27/2007 | CN2915541Y Automatic teaching device for writing on blackborad |
| 06/27/2007 | CN1986244A Dust-less blackboard |
| 06/21/2007 | US20070141546 Display board assembly |
| 06/20/2007 | CN2913039Y Blackboard |
| 06/14/2007 | DE202007002520U1 Multifunktionale Ausstellungs- und Moderationstafel Multifunctional exhibition and panel moderator |
| 06/13/2007 | CN2910627Y Automatic, multi-medium, dust-free lecture board with black, white and green color |
| 06/06/2007 | CN1975736A Information presentation method and information presentation apparatus |
| 05/31/2007 | US20070120871 Information presentation method and information presentation apparatus |
| 05/30/2007 | CN2905474Y Photoprint draft plate |
| 05/30/2007 | CN2905473Y Dustless blackboard |
| 05/30/2007 | CN2905472Y Assisting board for writing regular script |
| 05/29/2007 | US7224347 Writeboard method and apparatus |
| 05/23/2007 | CN2902748Y Environmental protection chalk groove |
| 05/23/2007 | CN2902747Y 夹层黑板 Sandwich board |
| 05/23/2007 | CN1966282A Turn-over type blackboard |
| 05/16/2007 | CN2900191Y Metal wiriting board capable of changing plates |
| 05/09/2007 | CN2897679Y Automatic blackboard with water eraser |
| 05/09/2007 | CN2897678Y Electric blackboard with water eraser |
| 05/09/2007 | CN1958305A Environmental protection durable ink sheet, and fabricating method |
| 05/09/2007 | CN1314610C Method for producing blackboard and whiteboard made from enamel in super strength, and glaze of enamel |
| 05/02/2007 | EP1778503A2 Dry erase article |
| 05/02/2007 | CN2895090Y Rotary black board capable of automatically erasing chalk trace and prevent dust from being diffused |
| 05/02/2007 | CN2895089Y Fully-automatic blackboard |
| 05/02/2007 | CN2895088Y Blackboard with cleaning box |
| 05/02/2007 | CN2895087Y Automatic blackboard erasing device for upper-lower push-pull type blackboard |
| 05/02/2007 | CN2895086Y Chalk-free dust-free remote-control-erasing green blackboard |
| 05/02/2007 | CN1955496A Modular messaging center, manager, and personal convenience system |
| 05/02/2007 | CN1955014A 升降黑板 Lifting the blackboard |