| Patents for B43L 1 - Repeatedly-usable boards or tablets for writing or drawing (5,148) |
|---|
| 04/28/2007 | CA2565497A1 Marker board |
| 04/25/2007 | CN2892496Y Dustless blackboard |
| 04/25/2007 | CN2892495Y Electric turnable blackboard |
| 04/25/2007 | CN2892494Y Writing brush water writing exercising board |
| 04/24/2007 | US7207805 Encapsulated tray and end caps for a writing board |
| 04/18/2007 | CN2889738Y Multi-functional blackboard |
| 04/18/2007 | CN2889737Y Non-dust automatic-wiping teaching board |
| 04/18/2007 | CN1948026A Magnetic ink dust-free writing board |
| 04/11/2007 | CN2887613Y Blackboard |
| 04/11/2007 | CN2887612Y Magnetic pen |
| 04/04/2007 | CN2885605Y Transmission type automatic erasing blackboard device |
| 03/29/2007 | WO2005081946A3 Assembly for the movement of a paint tray |
| 03/29/2007 | DE19702250B4 Transportable Spendeeinrichtung für Folien Portable dispensing device for films |
| 03/28/2007 | CN2883022Y All-function blackboard able to longitudinal transfer |
| 03/28/2007 | CN2883021Y 白板 Whiteboard |
| 03/27/2007 | US7195491 Writing board structure |
| 03/21/2007 | CN2880525Y Dustless blackboard |
| 03/21/2007 | CN2880524Y Automatic erasing dustless blackboard |
| 03/21/2007 | CN2880523Y Automatic eraser |
| 03/21/2007 | CN2880522Y Remote control electric eraser |
| 03/15/2007 | WO2007029351A1 Projection blackboard and process for producing the same |
| 03/15/2007 | US20070059677 Whiteboard scoreboard |
| 03/14/2007 | CN2878082Y Blackboard with blackboard eraser |
| 03/08/2007 | WO2006119592A3 Method for manufacturing a visual communication panel having a ceramic surface layer |
| 03/07/2007 | CN2875842Y Intelligent blackboard word brushing machine |
| 03/07/2007 | CN2875833Y Device for stopping prolonging finishing class |
| 03/06/2007 | US7185987 Projector and projector accessory |
| 02/22/2007 | US20070042176 Rewritable and erasable writing sheet |
| 02/21/2007 | CN2871230Y Dust-collecting blackboard |
| 02/21/2007 | CN2871229Y Laminated blackboard |
| 02/21/2007 | CN2871228Y Blackboard with erasing function |
| 02/14/2007 | CN2868710Y Sliding-type blackboard |
| 02/13/2007 | US7176890 Projection-type display device and software program |
| 02/08/2007 | WO2007016470A2 Squeegee eraser with built-in designs |
| 02/08/2007 | US20070031810 Squeegee eraser with built-in designs |
| 02/07/2007 | CN2866179Y Full-automatic health care blackboard device |
| 02/07/2007 | CN2866178Y Multifunction combined blackboard eductional implement |
| 02/07/2007 | CN2866177Y Rotating cleaning chalk dust slot |
| 01/31/2007 | CN2863503Y Blackboard eraser duster |
| 01/31/2007 | CN2863495Y Magnetic writing board |
| 01/31/2007 | CN2863494Y Arc glass blackboard |
| 01/31/2007 | CN2863493Y Toughened glass blackboard |
| 01/31/2007 | CN2863492Y Blackboard capable of absorbing dust and blocking light |
| 01/25/2007 | WO2007010704A1 Electronic blackboard device, method for adjusting write position of electronic blackboard device, and program for adjusting write position |
| 01/25/2007 | US20070018962 Message doll and message doll set |
| 01/24/2007 | EP1744910A2 Assembly for the movement of a paint tray background of the invention |
| 01/24/2007 | CN2860874Y Blackboard eraser |
| 01/24/2007 | CN2860866Y Novel multimedia teaching blackboard |
| 01/18/2007 | CA2548870A1 Promotional erasable memo board with detachable coupons |
| 01/17/2007 | CN2858323Y Automatic device for wiping blackboard |
| 01/17/2007 | CN2858314Y Blackboard |
| 01/17/2007 | CN2858313Y Chalk ash slot of blackboard |
| 01/17/2007 | CN2858312Y Teaching writing device for blackboard and whiteboard |
| 01/11/2007 | US20070008303 Projection-type display device and software program |
| 01/10/2007 | CN2855772Y Environmental protection type chalk-dust free black-board |
| 01/10/2007 | CN2855771Y Automatic lifting/lowering black-board |
| 12/28/2006 | WO2006119592A8 Method for manufacturing a visual communication panel having a ceramic surface layer |
| 12/28/2006 | US20060292361 Front face erasable microcapsule magnetophoretic writing magnet |
| 12/27/2006 | CN2850946Y Luminous writing board |
| 12/27/2006 | CN2850945Y Multi-functional electric blackboard |
| 12/27/2006 | CN2850944Y Writing board |
| 12/20/2006 | CN2848587Y Magnet writing board, pen and eraser for teaching |
| 12/20/2006 | CN2848586Y Demonstration white board |
| 12/13/2006 | CN2846146Y Dustless blackboard |
| 12/13/2006 | CN2846145Y Electric driven stereo black board |
| 12/06/2006 | CN2843888Y Easily-erasing blackboard |
| 12/05/2006 | US7144254 Underwater writing tablet |
| 12/05/2006 | CA2390172C Sheet for writing board and reflection type screen |
| 11/29/2006 | CN2841357Y Iron-powder synthesizing magnetic board |
| 11/29/2006 | CN2841356Y 滑动黑板 Sliding blackboard |
| 11/29/2006 | CN2841355Y Multi-media teaching blackboard |
| 11/29/2006 | CN1868819A Container having writing surface and its manufacturing method |
| 11/22/2006 | CN2838984Y Liquid crystal blackboard |
| 11/22/2006 | CN2838983Y 书写板 Writing Pad |
| 11/22/2006 | CN2838982Y Non-reflecting light repeatedly using writing board |
| 11/22/2006 | CN2838981Y 可折叠黑板 Foldable blackboard |
| 11/22/2006 | CN2838980Y Dustless blackboard |
| 11/22/2006 | CN2838979Y Repeatedly using drawing and writing notebook assembly |
| 11/16/2006 | WO2006119592A2 Method for manufacturing a visual communication panel having a ceramic surface layer |
| 11/15/2006 | CN2837931Y Automatic writing system |
| 11/15/2006 | CN2837104Y Magnetic drawing board |
| 11/15/2006 | CN2837103Y Folding light-block blackboard |
| 11/15/2006 | CN2837102Y 艺术书写板 Art Writing Pad |
| 11/15/2006 | CN1864097A Magnetophoretic reversal display panel and magnetophoretic reversal display method |
| 11/08/2006 | CN2834929Y Vertical blackboard machine capable of circuiting automatically |
| 11/08/2006 | CN2834928Y A blackboard with five writing faces |
| 11/08/2006 | CN2834927Y Electronic white board and common white board composite structure |
| 11/08/2006 | CN2834926Y 多功能黑板 Multifunction blackboard |
| 11/02/2006 | US20060246413 Magnetic substance display panel |
| 11/01/2006 | CN2832550Y Easily-changeable adhesive blackboard |
| 11/01/2006 | CN1853954A Lattice liquid magnetic displaying and writing system |
| 10/25/2006 | CN2830108Y Windshield wiper type eraser |
| 10/25/2006 | CN2830102Y Easy-to-wipe blackboard |
| 10/25/2006 | CN2830101Y Rear-view blackboard |
| 10/24/2006 | CA2352161C Creativity center apparatus and method of use |
| 10/11/2006 | CN2825315Y Multilayer composite dustless writing board |
| 10/11/2006 | CN1843774A Rotary blackboard capable of cleaning chalk mark and preventing dust diffusion automatically |
| 10/11/2006 | CN1843773A Blackboard |
| 10/10/2006 | US7119048 the board accepts erasable writing, drawing or other markings, and to which magnets will adhere |
| 09/28/2006 | WO2006101308A1 Calendar board which distinguishes the holiday and the normal day |