Patents
Sitemap › B43 - Writing or drawing implements; Bureau accessories › B43L - Articles for writing or drawing upon; Accessories for writing or drawing › B43L 9 - Circular curve-drawing or like instruments
Patents for B43L 9 - Circular curve-drawing or like instruments (2,793)
07/2012
07/04/2012CN102529524A Improved compasses
07/04/2012CN102529523A Straight ruler with compasses
07/04/2012CN102529522A Multifunctional scale
06/2012
06/28/2012WO2012035562A4 Locking mechanism for drawing compass
06/27/2012CN102514421A Compass
06/20/2012CN202278889U 一种方便圆规 A convenient compasses
06/13/2012CN202271730U 教学用黑板画圆器 Circle blackboard teaching device
06/07/2012WO2012035562A3 Locking mechanism for drawing compass
06/06/2012CN202264555U 一种圆规 One kind of compass
06/06/2012CN202264554U 一种新型圆规 A new compass
06/06/2012CN202264553U 设置有刻度的圆规 Set a graduated compass
06/06/2012CN202264552U 一种数学教学尺 A mathematical teaching ruler
06/06/2012CN102485506A Compasses
06/05/2012US8191269 Line gauge device for auto body repairs
05/2012
05/30/2012CN202242611U Multi-purpose combined drawing ruler
05/30/2012CN202242605U Teaching compass with length ruler
05/30/2012CN202242604U Combined-type angle-measuring ruler-compass construction device
05/30/2012CN202242603U Safe insertion sleeve for compasses
05/30/2012CN202242602U Pair of compasses with angle gauge
05/30/2012CN202242601U Compasses
05/30/2012CN202242600U Multipurpose compasses
05/30/2012CN202242599U Compasses
05/30/2012CN202242598U Compasses
05/30/2012CN202242597U Multifunctional bow pen
05/30/2012CN202242596U Measuring tape type compasses
05/30/2012CN202242595U Cyclograph
05/30/2012CN202242594U Multipurpose compasses and ruler combination
05/30/2012CN202242585U Engineering drawing rule
05/30/2012CN202242584U Multifunctional scale special for teaching
05/30/2012CN202242581U Compasses ruler
05/30/2012CN102476538A 新型圆规 The new compasses
05/30/2012CN102476537A 多功能圆规 Multifunction compass
05/23/2012CN202225637U Ruler and compass angulometer
05/23/2012CN202225636U Gauge combination
05/23/2012CN202225635U Multi-functional scriber
05/23/2012CN202225633U Novel compasses
05/23/2012CN202225611U Multifunctional pen specially used for exam
05/23/2012CN102463802A 多功能三角尺 Multifunction triangle ruler
05/23/2012CN102463801A 一种多用规具 A multi-use regulation tools
05/23/2012CN102463800A 一种圆规 One kind of compass
05/23/2012CN102463798A 折叠式多功能绘图尺 Folding multipurpose drawing ruler
05/23/2012CN102463787A 圆规笔 Compasses pen
05/16/2012CN102452261A Adjustable compasses
05/09/2012CN202213391U Multifunctional teaching compasses
05/09/2012CN202213390U Multi-functional compasses
05/09/2012CN202213389U Multifunctional drawing gauge
05/09/2012CN202213388U Mathematics teaching aid
05/09/2012CN102442131A Conic section divider caliper
05/09/2012CN102442130A Graph plotter for plotting circles
05/09/2012CN102442126A Ruler capable of being used for drawing circles
05/02/2012DE202012101454U1 Zirkel Circle
05/02/2012CN202208215U Drawing tool for teaching
05/02/2012CN202208208U Compass type mechanical pencil
05/02/2012CN102431359A Multifunctional compasses
05/02/2012CN102431358A Compasses
04/2012
04/25/2012CN202200743U 一种抽拉式圆规 One kind of pull-compasses
04/25/2012CN202200742U 夹笔圆规 Penholder compasses
04/25/2012CN202200741U 一种圆规 One kind of compass
04/25/2012CN202200740U 一种新型圆规 A new compass
04/25/2012CN102423982A 一种圆规 One kind of compass
04/19/2012WO2012024566A3 Cutting device for food products and method of using the same
04/18/2012CN202192911U 一种安全便携圆规 A safe and portable compasses
04/11/2012CN202189488U 多功能学习尺 Multifunction foot
04/11/2012CN202186191U 一种碟形弹簧组合圆规和直尺以及角度尺文具 One kind of disc spring combination compass and straightedge and the angle ruler stationery
04/11/2012CN202186190U 带有橡皮檫的圆规 Compass with eraser
04/11/2012CN202186189U 一种波纹弹簧组合圆规和直尺以及角度尺文具 A corrugated spring combination compass and straightedge and the angle ruler stationery
04/11/2012CN202186188U 一种宝塔弹簧组合圆规和直尺以及角度尺文具 One kind of pagoda spring combination compass and straightedge and the angle ruler stationery
04/11/2012CN202186186U 一种适合数学教学用教具 A mathematical teaching aids for
04/11/2012CN202186185U 一种多功能三角板 A multifunctional triangle
04/11/2012CN102407717A 磁脚圆规 Magnetic compasses foot
04/05/2012US20120079729 combined set of interacting instruments
04/04/2012CN202180665U 一种便捷圆规套 A convenient compass sets
03/2012
03/29/2012WO2011152863A3 Straight edge circle tool
03/28/2012CN202174864U 一种教学用组合圆规 Compass with a teaching portfolio
03/28/2012CN202174863U 带有小刀的圆规 Compass with knife
03/28/2012CN202174862U 一种多用制图工具 A multi-use drawing tools
03/28/2012CN202174852U 圆规笔 Compasses pen
03/28/2012CN102390202A Multifunctional divider calipers
03/22/2012WO2012035562A2 Locking mechanism for drawing compass
03/21/2012CN202169820U 多功能量角器 Multifunctional protractor
03/21/2012CN102381110A Folding plotting and angle gauging tool
03/21/2012CN102381105A Compasses
03/21/2012CN102381104A Compass
03/21/2012CN102381103A Multipurpose plotter
03/21/2012CN102381100A Multipurpose ruler
03/21/2012CN102381093A Dual-purpose ball-point pen
03/14/2012CN202166370U 一种多功能折尺 A multifunctional folding ruler
03/14/2012CN202163189U 一种三角尺规 Triangular Ruler
03/14/2012CN202163186U 一种多功能教学教具 A multifunctional Teaching Aids
03/14/2012CN202163185U 一种多功能画圆器 Circle is a multifunctional
03/14/2012CN202163184U 一种刻度圆规 One kind of scale compasses
03/14/2012CN202163183U 带伸缩软尺的圆规 Compass with telescopic soft feet
03/14/2012CN202163182U 旋转式多用规、尺 Rotary multi-gauge, ruler
03/14/2012CN102371823A Cursor-sucker teaching compasses
03/13/2012US8132333 Pair of compasses
03/07/2012CN202156191U 一种多功能圆规 A multifunctional compasses
03/07/2012CN202156190U 多功能圆规 Multifunction compass
03/07/2012CN202156189U 多功能圆规 Multifunction compass
03/07/2012CN202156188U 一种新型可折叠的多功能尺子 A new multi-purpose folding ruler
02/2012
02/29/2012CN202151978U 一种教学用圆规 A teaching with a compass
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