Patents for B43L 1 - Repeatedly-usable boards or tablets for writing or drawing (5,148) |
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06/29/2005 | CN2706332Y Myopia preventing blackboard |
06/29/2005 | CN1631684A Multifunctional frame type fluorescent writing board |
06/23/2005 | US20050136390 Write-on Wipe-off book holder |
06/23/2005 | US20050136389 Write-on wipe-off book cover |
06/23/2005 | DE202005004516U1 Painting template, especially in the form of a child's toy, comprises an auxiliary sheet, with a template in the form of applied raised narrow plastic strips, said sheet being covered by a protective film |
06/16/2005 | US20050127255 Encapsulated end caps and method of making the same for a writing board tray |
06/15/2005 | EP1542156A1 Electronic white board having electromagnetic sensing layer of conductor grid |
06/15/2005 | EP1540678A2 Method of making writable erasable articles and articles therefrom |
06/09/2005 | WO2005051658A1 Low gloss dry erasable surface |
06/08/2005 | EP1536953A1 Method of making erasable articles and articles therefrom |
06/08/2005 | CN2703658Y Dustfree magnetic black board and blackboard eraser and pen matched with same |
06/08/2005 | CN1625632A Sheet for application of erasable print |
05/26/2005 | WO2004103726A3 Dry erase board with image in relief |
05/26/2005 | US20050112324 Low gloss dry erasable surface |
05/25/2005 | EP1123214B1 System to make illustrations |
05/25/2005 | CN1618630A Dustless blackboard |
05/18/2005 | CN2700125Y Wet erasing electrothermal dust-less blackboard |
05/18/2005 | CN2700124Y Luminescent writing board |
05/18/2005 | CN1616249A Novel rewritable magnetic writing board and its using method |
05/17/2005 | US6893266 Dry erasable board |
05/12/2005 | WO2005042272A2 Pivoting panel system |
05/12/2005 | CA2543092A1 Pivoting panel system |
05/11/2005 | EP1530123A2 Projector and projector accessory |
05/04/2005 | CN2696856Y Strongly magnetized blackboard |
04/27/2005 | CN2695245Y Dust-proof blackboard |
04/27/2005 | CN2695244Y Self-cleaning type electric blackboard |
04/26/2005 | US6884082 Sensory feedback educational tool |
04/21/2005 | US20050083301 Projector, electronic whiteboard system using projector and method of acquiring indicated point |
04/20/2005 | CN2693486Y Portable writing board |
04/20/2005 | CN2693485Y Multipurpose sliding teaching blackboard |
04/20/2005 | CN1197718C 电动黑板 Electric blackboard |
04/14/2005 | US20050079479 A magnetic pen and magnetic eraser; multicompartment cellular array; toys |
04/14/2005 | US20050079473 Articles of manufacture having a chalkboard like section for educational and entertainment value |
04/14/2005 | US20050078279 Projector and projector accessory |
04/14/2005 | US20050077719 Sleeve for a score-card |
04/13/2005 | CN2692747Y Teaching electronic board |
04/13/2005 | CN2691883Y Teaching blackboard writing device |
04/13/2005 | CN2691882Y Multifunction blackboard |
04/13/2005 | CN2691881Y Learning plate |
04/13/2005 | CN1605927A Projector and projector accessory |
04/12/2005 | US6878414 Made from a flexible paper with a repositionable pressure sensitive adhesive utilizing radiation cured coatings applied in an oxygen-free atmosphere, e.g., nitrogen blanket |
04/12/2005 | US6878306 Non-toxic, creates lines having good contrast and can be easily erased; for use in toys |
04/07/2005 | US20050071984 Tackable and markable dry erase board and method of making same |
03/31/2005 | US20050069859 Patient communication apparatus and method |
03/23/2005 | CN1597340A Magnetic electronic blackboard display system |
03/23/2005 | CN1597339A Writing board having heating device |
03/15/2005 | US6866516 Teaching aids |
03/10/2005 | US20050052424 Electromagnetic induction electronic board with antenna arrayed in gridding inside |
03/09/2005 | CN2683393Y Collapsible teaching blackboard |
02/23/2005 | CN2680471Y Chalk ash free blackboard |
02/23/2005 | CN2680470Y Dust-suction type black/white board |
02/17/2005 | US20050037156 Laminated decoration with image in relief |
02/17/2005 | DE202004018050U1 Laminated desktop writing underlay has small printed zones and larger non-printed zones with small writing pads |
02/16/2005 | CN1579809A 白板 Whiteboard |
02/09/2005 | CN2677185Y Blackboard |
02/09/2005 | CN2677184Y Blackboard capable of left right moving |
02/09/2005 | CN2677183Y Portable writing board |
02/09/2005 | CN2677182Y Writing board having heating device |
02/02/2005 | EP1181156A4 An apparatus and a method for automatically erasing a blackboard |
02/02/2005 | CN2675416Y Dustless blackboard |
02/01/2005 | US6850230 Electronic writing and erasing pencil |
02/01/2005 | CA2326486C Parking mechanism for end effectors used for performing actions over vertical surfaces |
01/26/2005 | CN2673665Y Automatic blackboard erasing device |
01/26/2005 | CN2673664Y Band type circulation teaching board |
01/26/2005 | CN1186211C Method for manufacturing multiple colours water mark calligraphy and painting training board |
01/20/2005 | WO2005005156A1 Rewritable and erasable writing sheet |
01/20/2005 | US20050014125 Encapsulated tray, end caps, and method for making the same for a writing board |
01/13/2005 | WO2005002391A2 Encapsulated tray, end caps, and method for making the same for a writing board |
01/12/2005 | CN2670131Y 环保黑板 Green blackboard |
01/12/2005 | CN2670130Y 电子黑板 Electronic blackboard |
01/11/2005 | CA2326490C Method for effecting actions over vertical surfaces |
01/04/2005 | US6837715 Dry erase and tack display board having no frame |
12/29/2004 | CN2666685Y Multifunction blackboard |
12/29/2004 | CN2666684Y Intelligent board for writing and reading |
12/23/2004 | DE20312834U1 Glass painting board is provided, at its corners or along its edges, with fastening devices, preferably in the form of vacuum suction cups |
12/22/2004 | CN2665854Y Dual-purpose cork billboard |
12/22/2004 | CN2664922Y Novel three surface blackboard |
12/15/2004 | CN1554535A Dustless noreflection blackboard |
12/08/2004 | CN2661448Y Blackboard with automatic eraser |
12/02/2004 | WO2004103726A2 Dry erase board with image in relief |
12/02/2004 | US20040238709 Multi-purpose clamping device |
12/01/2004 | CN2659698Y Rolling soft face blackboard |
11/25/2004 | US20040234939 Teaching aids |
11/25/2004 | US20040231212 Display devices, accessories therefor and methods |
11/23/2004 | US6823481 Optical coordinate input/detection device with optical-unit positioning error correcting function |
11/18/2004 | US20040229202 Dry erase board with image in relief |
11/18/2004 | US20040226954 Assembly for the movement of a paint tray |
11/10/2004 | EP1474569A2 Sheet for application of erasable print |
11/10/2004 | CN2655371Y Improved integrated demonstrating board for hanging chart and writing |
11/10/2004 | CN2654369Y Multifunction painting and calligraphy board |
11/10/2004 | CN2654368Y 磁性黑板 Magnetic blackboard |
11/10/2004 | CN2654367Y Window shutter type blackboard |
11/03/2004 | CN2652671Y Multifunction electronic blackboard |
10/27/2004 | CN2651002Y Electric dustproof blackboard |
10/27/2004 | CN2651001Y Free-erasing dustproof blackboard |
10/21/2004 | WO2004089652A1 Transfer process of images onto wrinkled surfaces |
10/20/2004 | EP1469376A1 An electromagnetic induction electronic board with antenna arrayed in gridding inside |
10/19/2004 | US6805559 Erasable graphic panel |
10/07/2004 | US20040197491 Made from a flexible paper with a repositionable pressure sensitive adhesive utilizing radiation cured coatings applied in an oxygen-free atmosphere, e.g., nitrogen blanket |
10/06/2004 | CN2645931Y Carry-on board for reading and writing |