| Patents for B43L 13 - Drawing instruments, or writing or drawing appliances or accessories, not otherwise provided for (6,769) |
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| 03/21/2012 | CN202169821U 教学用平行线画线辅助装置 Teaching drawing a line parallel lines assist device |
| 03/21/2012 | CN202169820U 多功能量角器 Multifunctional protractor |
| 03/21/2012 | CN202169818U 小学生记分格尺 Students scoring ruler |
| 03/21/2012 | CN102381112A Eraser with graphing function |
| 03/21/2012 | CN102381110A Folding plotting and angle gauging tool |
| 03/21/2012 | CN102381109A Protractor |
| 03/21/2012 | CN102381108A Protractor |
| 03/21/2012 | CN102381107A Set square |
| 03/21/2012 | CN102381103A Multipurpose plotter |
| 03/14/2012 | CN202163191U 政治经济学教学用画圆板 Political Economics Teaching with Circle board |
| 03/14/2012 | CN202163190U 绘线尺杆 Painted lines foot pole |
| 03/14/2012 | CN202163189U 一种三角尺规 Triangular Ruler |
| 03/14/2012 | CN202163188U 一种新型的教学用三角尺 A new teaching with a triangular ruler |
| 03/14/2012 | CN202163182U 旋转式多用规、尺 Rotary multi-gauge, ruler |
| 03/14/2012 | CN101920619B Multiple screw-hole type marker for locating triangular coordinates |
| 03/08/2012 | WO2012028463A1 Tool |
| 03/08/2012 | US20120055036 Apparatus and method for surface marking at an outside corner |
| 03/07/2012 | CN202156195U 英语四线格尺 English-foot four-wire grid |
| 03/07/2012 | CN202156194U 角度速画尺 Angle speed painting feet |
| 03/07/2012 | CN202156193U 一种角度尺 An angle-foot |
| 03/07/2012 | CN202156187U 多功能学生尺 Multifunction student ruler |
| 03/07/2012 | CN102367031A Triangle |
| 03/06/2012 | US8127457 Tool, method and marking system |
| 02/29/2012 | CN202151979U 财会专用三角尺 Accounting special triangle ruler |
| 02/29/2012 | CN102363400A Straight line drawing assisting device |
| 02/28/2012 | US8123704 Calibration and measurement system |
| 02/23/2012 | WO2012024568A1 Cutting device for food products and method of using the same |
| 02/22/2012 | CN202147516U 多功能量角器 Multifunctional protractor |
| 02/22/2012 | CN202147515U 一种多功能剖面线绘图工具 Hatch a versatile drawing tool |
| 02/22/2012 | CN202147513U 三元一体几何用具 Trinity geometric appliances |
| 02/22/2012 | CN102358096A Equal dividing ruler for straight line |
| 02/22/2012 | CN102358095A Combined coordinate plotter |
| 02/21/2012 | US8117758 Scribe tool |
| 02/15/2012 | CN202144162U 一种教学用柔性磁条工具 A teaching tool with a flexible magnetic stripe |
| 02/15/2012 | CN102350912A Wear-resistant triangle |
| 02/15/2012 | CN102350911A Folding airplane type scale |
| 02/15/2012 | CN102350908A Ruler-compasses-angulometer |
| 02/14/2012 | US8115439 System for moving mobile robots in accordance with predetermined algorithm |
| 02/08/2012 | CN202138116U 平行线画线辅助器 Draw lines parallel lines aids |
| 02/08/2012 | CN202138115U 多功能数学教学用具 Multifunction mathematics teaching aids |
| 02/08/2012 | CN202138114U 一种方便小尺子 A convenient small ruler |
| 02/07/2012 | US8109004 Constant force mechanical scribers and methods for using same in semiconductor processing applications |
| 02/01/2012 | CN202130191U 教学画线用粉笔夹持器 Teaching drawing lines with chalk holder |
| 02/01/2012 | CN202130190U Angle measuring and drawing instrument |
| 02/01/2012 | CN202130182U 绘平行线尺杆 Draw parallel lines foot pole |
| 02/01/2012 | CN202130180U 一种便捷画线板 A convenient draw the line board |
| 02/01/2012 | CN102336099A Multifunctional drawing ruler for students |
| 02/01/2012 | CN102336096A Ruler bar for drawing parallel lines |
| 01/25/2012 | CN202123855U Graphic scale for general chemical instruments |
| 01/25/2012 | CN202123854U Integrated learning ruler used for maths teaching |
| 01/25/2012 | CN202123853U Function plotter used in mathematics field |
| 01/25/2012 | CN202123852U Scribe for teaching |
| 01/25/2012 | CN202123851U Scribe for teaching |
| 01/25/2012 | CN202123850U Multifunctional set square |
| 01/25/2012 | CN202123848U Multifunctional ruler special for accounting |
| 01/25/2012 | CN202123847U Multifunctional teaching angle gage |
| 01/25/2012 | CN102328534A Grid drawing ruler |
| 01/19/2012 | US20120013743 Device for Monitoring Condition of a Railway Supply Line |
| 01/18/2012 | EP2405813A1 Measuring device and method for determining a surface contour on a human or animal |
| 01/18/2012 | CN202119360U Tool set combination capable of measuring diameters of various geometric bodies |
| 01/18/2012 | CN202115198U Drawing board for mechanical drawing |
| 01/18/2012 | CN202115197U Multi-functional surveying and mapping instrument |
| 01/18/2012 | CN202115195U Positioning halving device for garment processing |
| 01/18/2012 | CN102320206A Regular hexagon drawing board |
| 01/11/2012 | CN202106762U Lamp light reflection tracing device |
| 01/11/2012 | CN202106761U Simple ruler for drawing form |
| 01/11/2012 | CN202106760U Deformable triangle ruler |
| 01/11/2012 | CN202106759U Mathematical teaching aid |
| 01/11/2012 | CN202106756U Ruler for drawing parallelograms |
| 01/11/2012 | CN202106753U T-square capable of drawing 45-degree chamfer angles |
| 01/11/2012 | CN102310692A Functional compass |
| 01/05/2012 | US20120000082 Sewing machine with engraving function |
| 01/05/2012 | US20120000081 Engraving needle holder and sewing machine provided therewith |
| 01/04/2012 | CN202098194U Transmission line bargraph drawing and measuring template |
| 01/04/2012 | CN202098193U Multifunctional drawing tool used for teaching |
| 01/04/2012 | CN202098192U Measurement and drawing instrument of parallel lines |
| 01/04/2012 | CN202098191U Equidistant scriber for teaching |
| 01/04/2012 | CN202098190U Protractor capable of drawing any angle |
| 01/04/2012 | CN202098188U Mathematics teaching aid |
| 01/04/2012 | CN202098184U Ruler for drawing grids |
| 01/04/2012 | CN202098183U Three-dimensional multi-functional straight ruler |
| 01/04/2012 | CN202098182U Multipurpose ruler |
| 01/04/2012 | CN202098181U Multifunctional architectural decoration drawing template |
| 01/04/2012 | CN102009557B Answer sheet marking device, marking method and recognition method |
| 01/03/2012 | US8087178 Artist relative measure device |
| 01/03/2012 | CA2556968C Writing guide system |
| 12/28/2011 | CN202088750U 答题卡修改器 Answer card Modifier |
| 12/28/2011 | CN202088749U 叠加画法绘图模板 Superposition painting drawing template |
| 12/28/2011 | CN202088748U 新型量角器 The new protractor |
| 12/28/2011 | CN202088744U 测绘尺 Mapping foot |
| 12/28/2011 | CN202088743U 复合尺 Composite feet |
| 12/28/2011 | CN202088741U 多功能尺子 Multifunctional ruler |
| 12/27/2011 | US8082672 Mechanical patterning of thin film photovoltaic materials and structure |
| 12/21/2011 | CN202080009U 新型中学英语教学用具 The new high school English teaching aids |
| 12/21/2011 | CN202080002U 一种数学教具 A mathematical teaching aids |
| 12/21/2011 | CN202080000U 多功能教学尺 Multifunctional foot |
| 12/21/2011 | CN202079998U 便携式多功能尺子 Portable multifunction ruler |
| 12/14/2011 | CN202071590U 等间距画线辅助器 Draw lines spaced aid |
| 12/14/2011 | CN202071589U 平行线、垂线演示板 Parallel lines, perpendicular to the demo board |
| 12/14/2011 | CN202071588U 三棱比例尺辅助坐标读取器 Tri-scale auxiliary coordinate reader |