| Patents for B43L 9 - Circular curve-drawing or like instruments (2,793) |
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| 02/11/2015 | CN204149721U 一种可量直径的圆规 One kind may amount diameter compass |
| 02/11/2015 | CN204149720U 弧度规 Radian regulation |
| 02/11/2015 | CN204149704U 一种数学教学用笔 A mathematical teaching pen |
| 02/11/2015 | CN104339938A 一种折叠组合式多功能学生文具 A folding modular multi-functional student stationery |
| 02/04/2015 | CN204136653U 一种多功能量角器 A multifunctional protractor |
| 02/04/2015 | CN204136650U 一种圆规进铅装置 One kind of compass device into the lead |
| 02/04/2015 | CN204136649U 一种卡簧拆装多功能组合工具 One kind of removable retainer multifunction tool |
| 02/04/2015 | CN204136648U 一种新型圆规 A new compass |
| 02/04/2015 | CN204136647U 多功能圆规 Multifunction Compass |
| 02/04/2015 | CN204136646U 一种多功能教学尺 A versatile teaching feet |
| 02/04/2015 | CN204136645U 量规尺 Gauge ruler |
| 02/04/2015 | CN204136636U 多功能制图笔 Multi-function pen drawing |
| 02/04/2015 | CN104325819A 一种点画线教学圆规 One kind of teaching compasses dotted line |
| 02/04/2015 | CN104325818A 黑板画圆仪 Blackboard Circle instrument |
| 01/28/2015 | CN204123857U 一种伸缩式圆规 One kind of telescopic compasses |
| 01/28/2015 | CN204123856U 一种带刻度的单臂白板圆规 Compasses a white arm band scale |
| 01/28/2015 | CN104309370A 定轴圆规 Fixed axis compass |
| 01/28/2015 | CN102941762B 椭圆规 Oval regulation |
| 01/21/2015 | CN204109623U 一种定角定径圆规 One kind of fixed angle sizing compasses |
| 01/21/2015 | CN204109622U 圆规 Compasses |
| 01/14/2015 | CN204095363U 平移可度量多用大圆规 Pan with a large compass can measure more |
| 01/14/2015 | CN204095362U 组合式圆规 Combined compasses |
| 01/14/2015 | CN204095361U 一种设计专用的圆规 Design special compasses |
| 01/14/2015 | CN204095360U 一种多功能教学工具 A versatile teaching tool |
| 01/14/2015 | CN204095359U 定位精准的多功能圆规 Precise positioning versatility compasses |
| 01/14/2015 | CN204095358U 一种新型卡尺圆规 A new calipers compasses |
| 01/14/2015 | CN204095344U 一种多功能笔 A multifunctional pen |
| 01/07/2015 | CN204077168U 一种多功能椭圆规 A multifunctional oval regulation |
| 01/07/2015 | CN204077167U 一种新型数学教学专用可画圆心式圆规 A new dedicated to mathematics teaching centripetal circle compasses |
| 01/07/2015 | CN204077166U 多用途卷尺制图工具 Multi-purpose drawing tool tape measure |
| 01/07/2015 | CN204077165U 双规尺 Designations foot |
| 01/06/2015 | US8925210 Digital marking gauge |
| 12/31/2014 | CN204055074U 一种可画椭圆的圆规 One kind of compasses can draw an ellipse |
| 12/31/2014 | CN204055073U 一种新型圆规 A new compass |
| 12/31/2014 | CN204055072U 一种自动旋转圆规 An automatic rotating compass |
| 12/31/2014 | CN204055071U 可转动笔芯头圆规 Refill rotatable head compasses |
| 12/31/2014 | CN204055070U 可精确到0.1mm的圆规 The compass is accurate to 0.1mm |
| 12/31/2014 | CN204055069U 一种用于精确画圆及圆弧的尺子 A precise circle and arc ruler |
| 12/31/2014 | CN104249591A 双固紧螺栓的带夹笔环圆规 With double fastening bolt clamp ring compasses pen |
| 12/31/2014 | CN104249590A 带双夹笔环的圆规 Compass pen clip with double ring |
| 12/24/2014 | CN204037166U 一种多功能测量工具 A versatile measurement tool |
| 12/24/2014 | CN204037164U 新型两用规 The new dual-use regulation |
| 12/24/2014 | CN204037163U 新型圆规 The new Compass |
| 12/24/2014 | CN204037149U 组磁变形趣玩笔 Magnetic deformation interest groups play pen |
| 12/24/2014 | CN104228419A 新式圆规 The new Compass |
| 12/24/2014 | CN104228415A 一种多功能笔 A multifunctional pen |
| 12/17/2014 | CN204020329U 划玻璃圆规 Scratch glass compasses |
| 12/17/2014 | CN204020328U 一种多芯式圆规 A multi-core type compasses |
| 12/17/2014 | CN204020327U 圆规 Compasses |
| 12/17/2014 | CN204020326U 一种数学教学用圆规 A mathematical teaching compasses |
| 12/17/2014 | CN204020325U 一种划线圆规 One kind of crossed compasses |
| 12/17/2014 | CN204020324U 多功能教学圆规 Multifunctional compasses |
| 12/17/2014 | CN204020321U 一种多功能文具 A multifunctional stationery |
| 12/10/2014 | CN203995336U 初中数学教学用组合尺 Junior high school mathematics teaching with a combination of foot |
| 12/10/2014 | CN203995326U 一种齿轮圆规 A GEAR compasses |
| 12/10/2014 | CN203995325U 自动圆规 Automatic compasses |
| 12/10/2014 | CN203995324U 工商管理绘图尺 Drawing ruler of Business Administration |
| 12/10/2014 | CN203995323U 一种改进的圆规 An improved compasses |
| 12/10/2014 | CN203995322U 塑料回料制成的环保安全圆规 Plastic materials back compasses made of environmentally safe |
| 12/10/2014 | CN203995321U 同心圆圆规 Concentric compasses |
| 12/10/2014 | CN203995320U 圆规 Compasses |
| 12/10/2014 | CN203995319U 一种组合式圆规 A modular compasses |
| 12/10/2014 | CN203995318U 一种教学圆规 A teaching compasses |
| 12/10/2014 | CN203995317U 一种便于画出准确半径圆的圆规 A compass to draw a circle radius to facilitate accurate |
| 12/10/2014 | CN203995316U 一种带吸盘的圆规 Compasses with a sucker |
| 12/10/2014 | CN203995314U 一种新型教学用具 A new teaching aids |
| 12/10/2014 | CN203995308U 多功能教具 Multifunction aids |
| 12/10/2014 | CN203995243U 一种笔架 One kind penholder |
| 12/10/2014 | CN104191873A 一种多功能可调径带刻度圆规 A versatile adjustable diameter compass with scale |
| 12/10/2014 | CN104191872A 划玻璃圆规 Scratch glass compasses |
| 12/10/2014 | CN103009885B 手摇式无尖点圆规 Hand-free cusp compasses |
| 11/04/2014 | US8875411 Cylindrical ruler |
| 09/30/2014 | US8844146 Eyeglass frame shape measurement device |
| 08/19/2014 | US8806766 Circle marking device |
| 08/13/2014 | CN203766335U 点划线教学圆规 Dotted line teaching compasses |
| 08/06/2014 | CN203752746U 一种实用圆规 A practical compasses |
| 08/06/2014 | CN203752745U 一种新型圆规 A new compass |
| 08/06/2014 | CN103963517A 一种旋转式同心圆粉笔划线器 A rotating concentric chalk scribe |
| 08/05/2014 | US8793884 Circle cutting tool |
| 07/30/2014 | CN203739486U 半径可显示的大型绘圆仪 Large painted meter radius of the circle can be displayed |
| 07/30/2014 | CN203739485U 多功能教学圆规 Multifunction teaching compasses |
| 07/30/2014 | CN203739484U 小学数学绘制圆的学习用具 Primary Mathematics draw a circle of learning tools |
| 07/30/2014 | CN203739483U 便捷圆规 Convenient compasses |
| 07/30/2014 | CN203739482U 多功能圆规 Multifunction compass |
| 07/30/2014 | CN103950324A 便携式四自由度教学圆规 Portable four degrees of freedom of teaching compasses |
| 07/30/2014 | CN102442130B 一种用于绘制圆形的绘图仪 A plotter to draw the circle |
| 07/23/2014 | CN203727056U 数学用圆规 Mathematics with a compass |
| 07/23/2014 | CN203727055U 直尺圆规 Ruler compass |
| 07/23/2014 | CN203727054U 自动平行圆规 Automatic parallel compasses |
| 07/23/2014 | CN203727053U 多用圆规 Multi-compasses |
| 07/23/2014 | CN203727050U 一种具有圆规功能的直尺 Straightedge having a compass function |
| 07/23/2014 | CN203723599U 多功能数学教学用具 Multifunction mathematics teaching aids |
| 07/23/2014 | CN103935162A 一种齿轮调节六色圆规 A GEAR adjust six colors compasses |
| 07/23/2014 | CN103935158A 一种多功能笔 A multifunctional pen |
| 07/22/2014 | US8782914 Segmented measuring assembly and method of use |
| 07/22/2014 | US8782912 Circle making tool |
| 07/16/2014 | CN203713330U 一种新型圆规 A new compass |
| 07/16/2014 | CN203713329U 工程制图教学专用圆规 Teaching of Engineering Drawing special compasses |
| 07/16/2014 | CN203713328U 教学用电动圆规 Teaching with an electric compass |
| 07/16/2014 | CN203713327U 一种小学生用卷式圆规 Pupils use one kind of roll compasses |