| Patents for B43L 13 - Drawing instruments, or writing or drawing appliances or accessories, not otherwise provided for (6,769) |
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| 08/24/2011 | CN201941431U 学生几何模板 Student geometric template |
| 08/24/2011 | CN201941430U 一种多用半圆仪 A multi-meter with a semicircle |
| 08/24/2011 | CN201941429U 一种新型尺子 A new ruler |
| 08/24/2011 | CN201941414U 多功能尺子 Multifunctional ruler |
| 08/24/2011 | CN201941413U 角度平行线多用尺 Multi-angle parallel lines with a ruler |
| 08/24/2011 | CN201941411U 一种组合教具 A combination of teaching aids |
| 08/24/2011 | CN201941410U 一种多功能用尺 A multifunctional ruler |
| 08/24/2011 | CN201941408U 一种语文数学英语多用尺 Mathematics, English and more in a language with a ruler |
| 08/24/2011 | CN201941406U 方便刻度尺 Convenient scale |
| 08/24/2011 | CN201941403U 一种组合教具 A combination of teaching aids |
| 08/24/2011 | CN201941402U 语文练字用尺 Language calligraphy with a ruler |
| 08/24/2011 | CN201941401U 一种带笔孔的尺子 A ruler with a pen hole |
| 08/24/2011 | CN201941355U 平行画线器 Drawing a line parallel |
| 08/17/2011 | CN201931868U 一种英语划线器 One kind of English scribe |
| 08/17/2011 | CN201931867U 英语书写划线器 English Writing scribe |
| 08/17/2011 | CN201931866U 新型指针式三角板 The new Analog triangle |
| 08/17/2011 | CN201931865U 一种新型三角尺规 A new triangle ruler |
| 08/17/2011 | CN201931864U 多功能量角器 Multifunctional protractor |
| 08/17/2011 | CN201931858U 一种数学教学尺 A mathematical teaching ruler |
| 08/17/2011 | CN201931856U 多功能尺 Multifunction foot |
| 08/17/2011 | CN201931854U 多功能作图尺 Multifunction foot plot |
| 08/17/2011 | CN201931851U 多功能直角三角尺 Multifunction right angle triangle ruler |
| 08/17/2011 | CN201931849U 一种财务会计专用尺 One kind of special ruler Financial Accounting |
| 08/17/2011 | CN201931829U 一种多功能直尺 A multifunctional ruler |
| 08/17/2011 | CN102152695A Rolling ruler |
| 08/17/2011 | CN102152693A Multifunctional drawing ruler |
| 08/17/2011 | CN102152691A Oil filler for environment-friendly gel ink pen refill |
| 08/17/2011 | CN101837705B Multifunctional angulometer |
| 08/10/2011 | CN201922788U 曲线板 Curved plates |
| 08/10/2011 | CN201922787U 英语教学专用划线工具 English teaching special marking tool |
| 08/10/2011 | CN201922786U 一种数学教学用画图器 A mathematical teaching drawing device |
| 08/10/2011 | CN201922785U 一种坐标尺 One kind of sit ruler |
| 08/10/2011 | CN201922784U 一种语文教学用格尺 A language teaching ruler |
| 08/10/2011 | CN201922783U 多功能尺 Multifunction foot |
| 08/10/2011 | CN201922782U 一种安全三角尺 A safe triangle ruler |
| 08/10/2011 | CN201922781U 划线辅助装置 Scribing assist device |
| 08/10/2011 | CN201922780U 教学圆规三角板 Teaching compasses triangle |
| 08/10/2011 | CN201922770U 多功能教学作图尺 Multifunction teaching drawing ruler |
| 08/10/2011 | CN201922769U 数学教学用多功能尺 Multifunction foot Mathematics Teaching |
| 08/10/2011 | CN201922767U 多功能快捷防滑尺规 Versatile and efficient non-slip ruler |
| 08/10/2011 | CN201922766U 一种盒子尺 A packet-foot |
| 08/10/2011 | CN201922765U 一种数学教学用直尺 A mathematical teaching ruler |
| 08/10/2011 | CN201922763U 多用途直角三角尺 Versatile right-angle triangle ruler |
| 08/10/2011 | CN201922762U 一种尺规器 One kind of ruler is |
| 08/04/2011 | DE102010006683A1 Zeichengerät Character device |
| 08/03/2011 | CN201913968U 硬笔书法学具 Law Book with Pen |
| 08/03/2011 | CN201913967U 一种尺子 One kind of ruler |
| 08/03/2011 | CN201913966U 一种四线三格划线器 A four-wire three grid scribe |
| 08/03/2011 | CN201913965U 教学用新型三角尺 Teaching new triangle ruler |
| 08/03/2011 | CN201913964U 一种三角尺 One kind of triangle ruler |
| 08/03/2011 | CN201913963U 角度测量板 Angle measurement board |
| 08/03/2011 | CN201913958U 小学数学尺 Primary Mathematics feet |
| 08/03/2011 | CN201913956U 一种教师板书用具 A means for teachers writing on the blackboard appliances |
| 08/02/2011 | CA2535587C Multi-purpose hand tool and scribing apparatus utilizing multi-purpose hand tool |
| 07/27/2011 | CN201907334U English four-wire grid drawing device |
| 07/27/2011 | CN201907333U English scriber with gradienter |
| 07/27/2011 | CN201907332U Teaching scriber |
| 07/27/2011 | CN201907331U Scriber for English teaching |
| 07/27/2011 | CN201907330U Portable construction ruler for mathematics teaching |
| 07/27/2011 | CN201907323U Parallel line calibrated scales set |
| 07/27/2011 | CN201907322U Multifunctional ruler |
| 07/27/2011 | CN102133834A Ruler |
| 07/26/2011 | US7984562 Device and method for marking competition rings and other areas on floor surfaces |
| 07/20/2011 | CN201900900U Four-line and three-lattice scriber |
| 07/20/2011 | CN201900899U Multifunctional stationery |
| 07/20/2011 | CN201900898U Drawing rule for teaching |
| 07/20/2011 | CN201900897U Triangular board capable of being used as teaching rod |
| 07/20/2011 | CN201900896U Multifunctional drawing board |
| 07/20/2011 | CN201900895U Multifunctional drawing board |
| 07/20/2011 | CN201900894U Multi-purpose tetragonal ruler |
| 07/20/2011 | CN201900893U Triangular ruler of bow compasses |
| 07/20/2011 | CN102126385A Right angle ruler |
| 07/20/2011 | CN102126384A Multifunctional intelligent ruler |
| 07/13/2011 | CN201895508U Multifunctional set square |
| 07/13/2011 | CN201895507U Multipurpose gauge |
| 07/13/2011 | CN201895506U Improvement of right-angle set square |
| 07/13/2011 | CN201895505U Three-in-one compasses |
| 07/13/2011 | CN201895504U Multifunction drawing instrument |
| 07/07/2011 | US20110162220 Wallboard cutting tool |
| 07/06/2011 | CN201890042U Straight ruler with wheels |
| 07/06/2011 | CN201890038U Multifunctional ruler for student |
| 06/30/2011 | DE102009049925A1 Guide or stencil, is made of material suitable for light cable that is made of two materials of different refractive indexes and exhibits layer structure with three layers, where material is plastic i.e. polymethyl methacrylate |
| 06/29/2011 | CN201881763U Multifunctional chinese teaching ruler |
| 06/29/2011 | CN201881762U Chemical metering instrument graphics ruler |
| 06/29/2011 | CN201881761U Conducting wire clamp locator for matching holes and drawing lines |
| 06/29/2011 | CN201881760U Protractor |
| 06/29/2011 | CN201881753U Multifunctional math teaching aid |
| 06/29/2011 | CN201881745U Multi-purpose ruler |
| 06/29/2011 | CN201881744U Multifunctional special ruler for accountant |
| 06/29/2011 | CN101700722B Manual image-text duplicator |
| 06/22/2011 | CN201872483U Line drawing tool for teaching |
| 06/22/2011 | CN201872482U Three-grid four-line scriber for English teaching |
| 06/22/2011 | CN201872481U Grid ruler |
| 06/22/2011 | CN201872480U Writing grid plate for teaching |
| 06/22/2011 | CN201872479U Drawing tool for teaching |
| 06/22/2011 | CN201872478U Efficient line drawing and paper cutting sleeve |
| 06/22/2011 | CN201872477U Combined ruler |
| 06/15/2011 | CN201863586U Marker used for English teaching |
| 06/15/2011 | CN201863585U Parallel marking device |
| 06/15/2011 | CN201863584U Multifunctional combination drawing tool |