| Patents for B43L 1 - Repeatedly-usable boards or tablets for writing or drawing (5,148) |
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| 03/20/1996 | CN2222618Y Automatic self-cleaning dustless blackboard |
| 03/13/1996 | CN2222070Y Multi-purpose powder-free board with form and words |
| 03/06/1996 | CN1117923A Method for decorating classroom for preventing myopia of student and curved blackboard thereof |
| 02/28/1996 | CN2220944Y Electromagnetic blackboard |
| 02/22/1996 | DE19529264A1 Mikrokapseln für eine magnetische Anzeige und Verfahren zum Herstellen magnetischer Anzeigefolien unter Verwendung solcher Mikrokapseln Microcapsules for a magnetic display and methods for producing magnetic display films using such microcapsules |
| 02/21/1996 | CN2220368Y 电动旋转条形黑板 Electric rotating bar blackboard |
| 02/21/1996 | CN2220367Y Carrying portable folding writing board |
| 02/20/1996 | US5492476 Fold out display |
| 02/14/1996 | CN2219795Y Teaching blackboard capable of hanging chart |
| 01/31/1996 | CN1115724A Movable dustless blackboard |
| 01/17/1996 | EP0692392A1 Concave surface writing board |
| 01/17/1996 | CN2217522Y Rotating self-erasing blackboard |
| 01/10/1996 | CN2216929Y Sliding and automatic cleaning type black board |
| 01/03/1996 | CN2216467Y Rolling automatic cleaning and collecting chalk dust blackboard |
| 01/03/1996 | CN2216466Y Repeatedly-usable writing board |
| 12/27/1995 | CN2215994Y Automatic writing device |
| 12/13/1995 | CN2214884Y Electric cleaning blackboard |
| 12/13/1995 | CN2214883Y Multi-functional dustless blackboard |
| 12/07/1995 | WO1995033251A1 Rewritable erasable labels |
| 12/06/1995 | CN2214300Y Push-pull mobile blackboard |
| 11/29/1995 | CN2213643Y Reading and writing bag |
| 11/22/1995 | CN2213079Y Magnetic writing device |
| 11/15/1995 | CN2212506Y Dustless blackboard |
| 11/15/1995 | CN2212505Y 柔性黑板 Flexible blackboard |
| 11/15/1995 | CN2212504Y Dustless blackboard |
| 11/02/1995 | EP0679283A1 An erasable product |
| 11/01/1995 | CN2211368Y 教学板 Teaching board |
| 11/01/1995 | CN2211367Y Two side writing board |
| 11/01/1995 | CN2211366Y Multifunctional reading and writing board |
| 11/01/1995 | CN2211365Y Writing display board |
| 10/18/1995 | CN2210104Y Multi-function ink blackboard |
| 10/11/1995 | CN2209602Y Rolling adjustable angle blackboard |
| 10/11/1995 | CN1109825A Hanging cloth blackboard |
| 10/03/1995 | US5455906 Electronic board system |
| 09/27/1995 | CN2208500Y Paper base with plastic film board for painting and writing |
| 09/20/1995 | CN1108600A Water-absorptive non-fading and dustless blackboard |
| 08/30/1995 | CN2206211Y Electric blackboard |
| 08/23/1995 | CN2205779Y Automatic magnetic health character-eliminating mathematics board with dust-free feature |
| 08/09/1995 | CN2204724Y Blackboard with mineral surface |
| 08/02/1995 | CN2204239Y Magnetic blackboard capable of being freely erased |
| 07/05/1995 | CN2202648Y Automatic dust-proof blackboard for teaching |
| 07/05/1995 | CN2202647Y Writing exercising plate |
| 07/04/1995 | US5429503 Magnetic display panel including substrates and multicell structure comprising nonorientational and uncrystallized polyester resin |
| 06/28/1995 | CN2202052Y Drawing board with pencil and answering card |
| 06/14/1995 | CN2200548Y Multifunction calligraphy practising board |
| 06/06/1995 | US5422693 Method and apparatus for interacting with a computer generated projected image |
| 06/06/1995 | US5422155 Composite laminated noteboard |
| 05/31/1995 | CN2199060Y Magnetic blackboard |
| 05/31/1995 | CN2199059Y Convenient perspective frosted writing copying board |
| 05/30/1995 | US5419706 Apparatus for forming images of non-visible elements underlying an opaque surface |
| 05/24/1995 | CN2198124Y Glass fiber reinforced plastic magnetic blackboard |
| 05/24/1995 | CN2198123Y Magnetic drawing sheet |
| 05/11/1995 | WO1995012489A1 Polymeric film |
| 05/11/1995 | CA2175566A1 Polymeric film |
| 05/02/1995 | US5411398 Magnetic display system |
| 04/27/1995 | WO1995011502A1 A learning or games product |
| 04/26/1995 | CN2195448Y Double-side rotary non-dust blackboard |
| 04/26/1995 | CN2195447Y 黑板 Blackboard |
| 04/26/1995 | CN1101877A Board for tracing over red printed characters with pen (brush) in black |
| 04/25/1995 | US5409383 Multi-functional writing device |
| 04/19/1995 | CN2194818Y Rotary automatic dust-reducing blackboard |
| 04/19/1995 | CN1101607A Regular polygon drawing board |
| 04/05/1995 | CN2193811Y Multi-functional exercise-board |
| 03/22/1995 | CN2192474Y Multipurpose no-powder blackboard with form writing mark |
| 03/15/1995 | CN2191773Y Magnetic dustless blackboard |
| 03/15/1995 | CN2191772Y Fully automatic cleaning drum type teaching blackboard |
| 03/15/1995 | CN2191771Y 无粉尘黑板 No dust blackboard |
| 03/14/1995 | US5397091 Blackboard |
| 03/08/1995 | CN2191099Y Height adjustable blackboard |
| 03/08/1995 | CN2191098Y Health teaching aid (health-type lift and fall Al alloy glass blackboard and health-type dusting blackboard eraser |
| 03/01/1995 | CN2190561Y Magnetic erasable note board desk calendar |
| 02/28/1995 | US5393232 Visual aid system |
| 02/28/1995 | US5393231 Child's magic drawing board |
| 02/14/1995 | US5388861 Transparent overlay device for making notes on printed material |
| 02/08/1995 | CN2189064Y Board for writing |
| 02/07/1995 | US5386640 Drafting device |
| 01/25/1995 | CN1097692A 多色黑板 Multicolor blackboard |
| 01/18/1995 | CN2187553Y Interest writing exercise plug plate |
| 01/11/1995 | CN2187117Y 磁性小黑板 Magnetic blackboard |
| 01/04/1995 | CN2186671Y Tools for copying models of calligraphy or paintings |
| 12/22/1994 | WO1994029126A1 Portable flexible white board |
| 12/14/1994 | CN2185204Y Multifunctional blackboard |
| 11/30/1994 | CN1095821A A hand-writable liquid crystal board set |
| 11/29/1994 | US5368489 Luminescent display device |
| 11/10/1994 | WO1994025294A1 Transporting and displaying electrostatically adherent film apparatus |
| 11/09/1994 | CN2182073Y Circulating self-cleaning dust-proof blackboard |
| 11/09/1994 | CN2182072Y Moving blackboard |
| 11/09/1994 | CN2182071Y Portable copybook board |
| 11/02/1994 | CN2181408Y 无粉尘磁力写字板 No dust magnetic WordPad |
| 11/02/1994 | CN2181407Y 盒式防尘黑板擦 Cassette eraser dust |
| 11/02/1994 | CN2181406Y Calligraphy word tablet |
| 11/01/1994 | US5361164 Projection markerboard |
| 10/27/1994 | WO1994024654A1 An erasable sign |
| 10/27/1994 | CA2160545A1 An erasable sign |
| 10/26/1994 | CN2180480Y Rotary type blackboard erasing device |
| 10/26/1994 | CN2180479Y Multi-function small blackboard |
| 09/28/1994 | CN2178187Y Cave board for writting |
| 09/28/1994 | CN2178184Y Rotating belt type dust-free blackboard |
| 09/27/1994 | US5351143 Hand-writable polymer dispersed liquid crystal board set with high resistance layer of crosslinking polymer adjacent conductive layer |
| 09/21/1994 | CN2177602Y Automatic character-erazing blackboard |