| Patents for B43L 13 - Drawing instruments, or writing or drawing appliances or accessories, not otherwise provided for (6,769) |
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| 08/08/2012 | CN102628666A Measurement and calculation ruler |
| 08/01/2012 | CN202357727U Drawing board for advanced mathematics |
| 08/01/2012 | CN202357726U Angle plate plotter |
| 08/01/2012 | CN202357725U Multifunctional stationery set |
| 08/01/2012 | CN202357724U Blackboard hook for teaching |
| 08/01/2012 | CN202357723U Integrated type triangular teaching aid |
| 08/01/2012 | CN202357722U Multifunctional ruler |
| 08/01/2012 | CN202357721U Multipurpose folded ruler |
| 08/01/2012 | CN202357720U Tablet |
| 08/01/2012 | CN202357717U Novel compass |
| 08/01/2012 | CN202357713U Novel ruler |
| 08/01/2012 | CN202357711U Mechanical square |
| 08/01/2012 | CN202357708U Multipurpose ruler |
| 07/25/2012 | CN202345189U Multipurpose base plate |
| 07/25/2012 | CN202345188U Parallel ruler |
| 07/25/2012 | CN202345187U English four-line grid scribing system |
| 07/25/2012 | CN202345186U Fast equal-distance line drawing device |
| 07/25/2012 | CN202345185U Multi-functional triangle |
| 07/25/2012 | CN202345184U Novel multifunctional straight rule |
| 07/25/2012 | CN202345183U Multifunctional mathematics teaching aid |
| 07/25/2012 | CN202345182U Teaching aid for mathematical drawing |
| 07/25/2012 | CN202345181U Protractor |
| 07/25/2012 | CN202345180U Suction-disc-type multipurpose compasses |
| 07/25/2012 | CN202345179U Triangular ruler |
| 07/25/2012 | CN202345178U Dotted line pen |
| 07/25/2012 | CN202345172U Compasses capable of measuring radius |
| 07/25/2012 | CN202345167U Novel mathematic multi-purpose ruler |
| 07/25/2012 | CN202345166U Signable measuring tool |
| 07/25/2012 | CN202345164U Convenient triangle |
| 07/25/2012 | CN202345162U Set square for accountant |
| 07/25/2012 | CN202345161U Multifunctional math teaching aid |
| 07/25/2012 | CN202345147U Three-dimensional (3D) word board |
| 07/25/2012 | CN102602203A Angle ruler with two edges |
| 07/18/2012 | CN202337142U 教师用小学语文划线笔 Scribe pen with primary language teachers |
| 07/18/2012 | CN202337141U 坐标系用尺 Coordinates with a ruler |
| 07/18/2012 | CN202337140U 多功能直尺 Multifunctional ruler |
| 07/18/2012 | CN202337137U 能画平行线的尺子 Can draw parallel lines ruler |
| 07/18/2012 | CN102582328A Ruler with circle drawing function |
| 07/18/2012 | CN102582327A Multifunctional hypotrochoid drawing tool |
| 07/18/2012 | CN102582326A Combined drawing rule for mathematics teaching |
| 07/11/2012 | CN202319588U 一种新型半圆仪 A new instrument semicircle |
| 07/11/2012 | CN202319587U 一种英语教学用划线尺 One kind of English teaching with crossed feet |
| 07/11/2012 | CN202319586U 一种平行线辅助工具 Provided a parallel line aids |
| 07/11/2012 | CN202319585U 一种英语划线装置 One kind of English scribing device |
| 07/11/2012 | CN202319584U 英语四线格划线器 English four-wire grid scribe |
| 07/11/2012 | CN202319583U 英语划线器 English scribe |
| 07/11/2012 | CN202319582U 小学数学教学用线段快速等分划线尺 Primary Mathematics teaching feet crossed the line fast aliquots |
| 07/11/2012 | CN202319581U 尺规两用器 Ruler of dual control |
| 07/11/2012 | CN202319580U 带储物柜的黑板 Blackboard with lockers |
| 07/11/2012 | CN202319579U 一种粉笔板书画格器 Georgia is one kind of painting chalk board |
| 07/11/2012 | CN202319578U 教学用黑板书写辅助装置 Teaching blackboard writing assistive devices |
| 07/11/2012 | CN202319577U 多功能教学测量尺 Multifunctional measurement scale |
| 07/11/2012 | CN202319576U 数学教学板 Mathematics Teaching board |
| 07/11/2012 | CN202319575U 一种多用学习用具 A multi-use learning tools |
| 07/11/2012 | CN202319574U 一种多功能圆规 A multifunctional compasses |
| 07/11/2012 | CN202319573U 一种圆规尺 One kind of compass ruler |
| 07/11/2012 | CN202319572U 无针圆规 Compass needle |
| 07/11/2012 | CN202319571U 一种多功能尺规 A multifunctional ruler |
| 07/11/2012 | CN202319570U 一种做几何题用组合尺具 One kind of done with a combination of geometry problems with foot |
| 07/11/2012 | CN202319569U 一种多功能数学教具 A multifunctional mathematics teaching aids |
| 07/11/2012 | CN202319568U 一种数学教学用的尺子 A mathematical teaching ruler |
| 07/11/2012 | CN202319567U 数学教学尺 Mathematics Teaching foot |
| 07/11/2012 | CN202319566U 一种平面坐标尺 A flat ride ruler |
| 07/11/2012 | CN202319565U 一种会计专用尺 A form of accounting Rulers |
| 07/11/2012 | CN202319564U 多功能数学教学用具 Multifunction mathematics teaching aids |
| 07/11/2012 | CN202319563U 一种几何文具尺 One kind of geometry Office Rulers |
| 07/11/2012 | CN202319562U 卡片量具 Measuring cards |
| 07/11/2012 | CN202319561U 多功能用尺 Multifunctional ruler |
| 07/11/2012 | CN202319553U 一种教学用圆规 A teaching with a compass |
| 07/11/2012 | CN202319544U 一种教学用圆规 A teaching with a compass |
| 07/11/2012 | CN202319543U 多功能圆规 Multifunction Compass |
| 07/11/2012 | CN202319540U 一种教学多用尺 A teaching multi feet |
| 07/11/2012 | CN202319530U 一种尺子 One kind of ruler |
| 07/11/2012 | CN202319526U 多功能直尺 Multifunctional ruler |
| 07/11/2012 | CN202319523U 一种能迅速固定绘图纸的机械制图绘图板 One kind of drawing paper can be quickly fixed the mechanical drawing drawing board |
| 07/11/2012 | CN102555618A Multifunctional drawing template |
| 07/11/2012 | CN102555617A Multifunctional stationery |
| 07/11/2012 | CN102555615A Teaching compasses |
| 07/11/2012 | CN102555614A Parallel staff |
| 07/11/2012 | CN101791924B Card coater for examination |
| 07/11/2012 | CA2763313A1 White board operable by variable pressure inputs |
| 07/10/2012 | DE202011109519U1 Wiederverwendbare magnetische Moderationskarten Reusable magnetic moderation cards |
| 07/04/2012 | CN202293929U 一种多用垫板 A multi-use pad |
| 07/04/2012 | CN202293928U 数学教学模板 Mathematics Teaching Templates |
| 07/04/2012 | CN202293927U 化学容器图形尺 Chemical containers Graphics feet |
| 07/04/2012 | CN202293926U 带有水平仪的英语教学划线板 English Teaching dash board with a level of |
| 07/04/2012 | CN202293925U 一种五线谱划线装置 One kind of sheet music scribing device |
| 07/04/2012 | CN202293924U 教学用平行线画线辅助器 Draw lines with parallel lines of teaching aids |
| 07/04/2012 | CN202293923U 一种英语教学用划线装置 One kind of English teaching scribing device |
| 07/04/2012 | CN202293922U 直读等距快速平行划格尺 Direct Reading equidistant parallel Hatch feet quickly |
| 07/04/2012 | CN202293921U 英语教学板书划线器 English teaching blackboard scribe |
| 07/04/2012 | CN202293920U 数学教学用具 Mathematics Teaching Aids |
| 07/04/2012 | CN202293919U 一种教学多用尺 A teaching multi-purpose foot |
| 07/04/2012 | CN202293918U 一种教学用多功能三角板 A teaching multifunction triangle |
| 07/04/2012 | CN202293917U 组合式圆规 Combined compasses |
| 07/04/2012 | CN202293916U 一种多功能半圆仪 A versatile instrument semicircle |
| 07/04/2012 | CN202293915U 一种角平分线绘制仪 One kind of instrument drawn bisector |
| 07/04/2012 | CN202293914U 一种数学教学用尺具装置 A mathematical teaching apparatus with a ruler tool |
| 07/04/2012 | CN202293913U 数学教具 Mathematics Teaching Aids |
| 07/04/2012 | CN202293912U 一种新型三角尺 A new triangle ruler |