| Patents for B43L 13 - Drawing instruments, or writing or drawing appliances or accessories, not otherwise provided for (6,769) |
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| 08/22/2001 | CN2443856Y Writing and erasing board as answer question card |
| 08/22/2001 | CN1069866C Multifunctional function scale |
| 08/21/2001 | US6276586 Methods for calibration and automatic alignment in friction drive apparatus |
| 08/21/2001 | US6276070 Quilting tool |
| 08/15/2001 | CN2442849Y Mapping templet for middle school student |
| 08/08/2001 | CN2441653Y Corrected round-drawing protractor |
| 08/08/2001 | CN2441652Y 椭圆规 Oval regulation |
| 08/08/2001 | CN2441651Y Multifunction mapper |
| 08/08/2001 | CN2441615Y Angle and slope corresponding rule |
| 08/07/2001 | US6270215 Inkjet printer |
| 07/25/2001 | CN2439961Y Combined drawing board |
| 07/04/2001 | CN2437502Y Multifunctional writing appliance |
| 06/20/2001 | EP1108562A2 Drawing instrument |
| 06/20/2001 | CN2435246Y Shape-changing multi-purpose ruler |
| 06/20/2001 | CN2435245Y Maths drawing ruler |
| 06/20/2001 | CN1067338C Single body type halving instrument for enlarging or diminishing graph |
| 06/13/2001 | CN2434147Y Novel parallel ruler |
| 06/13/2001 | CN2434146Y Rule scale able to draw ellipse |
| 05/30/2001 | CN2432053Y Square drawing device |
| 05/29/2001 | US6237240 Template for creating a layered pattern |
| 05/23/2001 | CN2431123Y Multi-purpose hypotenuse triangle rule with positioning needle for quickly drawing |
| 05/23/2001 | CN2431122Y Multifunctional teaching gauge |
| 05/16/2001 | CN2430286Y Rotary multipurpose angle gauge |
| 05/09/2001 | CN2429874Y Writing training device |
| 05/09/2001 | CN2429234Y Ornament |
| 05/02/2001 | CN2428304Y Multifunction ruler |
| 04/25/2001 | CN2427342Y Multi-functional active ruler |
| 04/25/2001 | CN2427341Y Angle gauge/backing plate |
| 04/25/2001 | CN2427340Y Drawing instrument for separating an angle into three ones |
| 04/18/2001 | CN1291554A 多功能圆规 Multifunction Compass |
| 04/17/2001 | US6216354 Device for making straight and curved score lines |
| 04/10/2001 | US6212784 Three-dimensional robotic scribing system |
| 04/04/2001 | CN2425787Y 组合文具 Stationery |
| 03/21/2001 | CN2424022Y Novel combination rule |
| 03/14/2001 | CN2423115Y Multipurpose rule |
| 03/14/2001 | CN2423114Y Spline |
| 03/13/2001 | US6201256 Cutting plotter equipped with device for reading register marks for seal cutting and method for reading register marks using same |
| 03/07/2001 | CN2422151Y Double-hand writing drawing instrument |
| 03/07/2001 | CN2422150Y Building curve arch rise graphic plate |
| 03/07/2001 | CN2422149Y Angle protractor |
| 02/28/2001 | CN2421178Y Appliance for drawing profile |
| 02/14/2001 | CN2419053Y Multifunctional drawing instrument |
| 02/07/2001 | CN1282675A Hypotenuse set square able to draw circle |
| 01/25/2001 | DE19961065C1 Drawing device has rotary pattern guided across surface of sheet supported by base plate provided with sheet positioning and retaining elements and pattern displacement guide |
| 01/24/2001 | CN2415940Y Multi-function compasses |
| 01/17/2001 | CN2414922Y Multipurpose angle ruler |
| 01/17/2001 | CN2414921Y Multifunctional triangle |
| 01/17/2001 | CN1280067A Drawing instrument capable of drawing ellipse and circle |
| 01/10/2001 | CN2413918Y Teaching aid with pointer capable of measuring angle |
| 01/10/2001 | CN2413917Y Universal rule |
| 01/03/2001 | CN2412758Y 分角器 Points Angle |
| 01/03/2001 | CN2412757Y Set square comdined protractor and compasses |
| 01/02/2001 | US6167633 Curve forming device |
| 12/27/2000 | CN2411903Y Three equally-divided part angle resolver |
| 12/21/2000 | DE19947013A1 Archeological artifact precision drawing instrument |
| 12/12/2000 | US6160563 Pen and ink supply tube assembly for plotters and the like |
| 12/05/2000 | US6154968 Compact viewing frame for artists |
| 11/29/2000 | CN2407946Y Multifunction rule |
| 11/22/2000 | CN2406830Y Editor's tool for layout design |
| 11/15/2000 | CN2405766Y Automatic divider callipers for conic curve |
| 11/08/2000 | CN2404714Y Multi-functional tool ruler |
| 11/08/2000 | CN2404713Y Pen for drawing body-temp. chart |
| 11/07/2000 | US6144766 Method for controlling a drawing apparatus, a drawing apparatus and a waveform recording apparatus |
| 11/01/2000 | CN2403590Y Multi-purpose compasses ruler |
| 11/01/2000 | CN2403589Y Multi-even slot pattern drawing ruler for pupils |
| 11/01/2000 | CN2403588Y Multifunction drawing instrument |
| 10/31/2000 | US6138885 Web having alignment indicia and an associated web feeding and working apparatus |
| 10/31/2000 | US6138365 Hobbyist pantograph and method of using the same |
| 10/25/2000 | EP1046517A1 Device to reproduce writing |
| 10/25/2000 | CN2403088Y Multifunctional mathematics template for pupil |
| 10/25/2000 | CN2402499Y Copying device |
| 10/18/2000 | CN2401376Y Two-purpose elliptic compasses |
| 10/11/2000 | CN2400291Y Multi-functional marker |
| 10/04/2000 | EP1040320A2 Robotic plotter |
| 10/04/2000 | CN2399227Y Drawing/calculating instrument |
| 09/27/2000 | CN2398106Y Multifunction drawing ruler |
| 09/27/2000 | CN2398105Y Scale combined with ruler and protractor |
| 09/21/2000 | DE19911636A1 Design template has basic modular for deriving natural laws showing development of different constructions |
| 09/12/2000 | US6116707 Robotic plotter system |
| 09/06/2000 | CN2394794Y Multifunction drawing rule |
| 09/06/2000 | CN2394793Y Multifunction quick drawing device |
| 09/06/2000 | CN2394792Y Multipurpose folding rule |
| 09/05/2000 | US6112425 Border, corner and cut-out template |
| 08/30/2000 | CN2393728Y Rotary disc drawing device |
| 08/29/2000 | US6108922 Cartoon drawing apparatus having an auxiliary positioning plate |
| 08/16/2000 | EP1028004A1 Adjustable magnet |
| 08/08/2000 | US6098863 Web having alignment indicia and an associated web feeding and working apparatus |
| 08/02/2000 | CN2389791Y Drawing apparatus |
| 07/26/2000 | CN2389073Y Rotary wheel for drawing |
| 07/13/2000 | DE19833999C1 Template as drawing and calculating aid uses straight line joining side intersection points as hypotenuse of triangles it forms in opaque template design for easy legibility. |
| 07/12/2000 | CN1259438A Method of quickly drawing a graph and the application of stationery and drawing equipments |
| 07/05/2000 | CN2385903Y Draughting board for neurosurgery |
| 07/05/2000 | CN2385902Y Simple drawing rule |
| 06/28/2000 | EP1013584A1 Methods for calibration and automatic alignment in friction drive apparatus |
| 06/28/2000 | EP1013475A2 Drawing apparatus and drawing-data output apparatus |
| 06/28/2000 | CN2384787Y Angle-drawing instrument |
| 06/21/2000 | CN2383696Y Multifunctional scale |
| 06/21/2000 | CN2383695Y Multifunctional drawing instrument |
| 06/14/2000 | CN2382572Y Curve formwork of sine and cosine function |
| 06/14/2000 | CN2382571Y Folding multifunction coordinate rule |