| Patents for B43L 13 - Drawing instruments, or writing or drawing appliances or accessories, not otherwise provided for (6,769) | |
|---|---|
| 01/2013 | |
| 01/23/2013 | CN202685687U Measurer |
| 01/23/2013 | CN202685683U Convenient compasses |
| 01/23/2013 | CN1438130B Managing-type flat compasses |
| 01/23/2013 | CN102887019A Multifunctional plotter |
| 01/22/2013 | US8357145 Implanting medical devices |
| 01/16/2013 | CN202669312U Ruler |
| 01/16/2013 | CN202669311U Common triangular ruler |
| 01/16/2013 | CN202669310U Uniform equal-dividing ruler |
| 01/16/2013 | CN202669309U Multi-functional ruler and gauge set |
| 01/16/2013 | CN202669308U Mathematical teaching ruler |
| 01/16/2013 | CN202669304U Multifunctional set square |
| 01/16/2013 | CN202669296U Automatic water-wiping blackboard |
| 01/16/2013 | CN102881205A Method and full-filling tool for helping student reviewing learned content at optimal time point |
| 01/09/2013 | CN202660993U Straight ruler |
| 01/09/2013 | CN202656735U Combinable dotted line ruler |
| 01/09/2013 | CN202656734U Mathematic ruler |
| 01/09/2013 | CN202656733U Slidably drawing ruler |
| 01/09/2013 | CN202656732U Angle drawing device |
| 01/09/2013 | CN202656731U Teaching ruler for English and math teachers |
| 01/09/2013 | CN202656730U Compass ruler |
| 01/09/2013 | CN202656729U Combined set square |
| 01/09/2013 | CN202656725U Convenient compasses |
| 01/09/2013 | CN102862426A Multipurpose card filling device |
| 01/09/2013 | CN102862425A Multifunctional set square for accountants |
| 01/09/2013 | CN102862424A Special set square for accountants |
| 01/02/2013 | CN202641172U Mark scraper |
| 01/02/2013 | CN202641171U Ruler with compasses |
| 01/02/2013 | CN202641170U Multifunctional ruler |
| 01/02/2013 | CN202641169U Multifunctional set ruler |
| 01/02/2013 | CN202641168U Angle gauge ruler |
| 01/02/2013 | CN202641167U Protractor |
| 01/02/2013 | CN202641166U Multi-functional sliding ruler set |
| 01/02/2013 | CN202641165U Combined type protractor |
| 01/02/2013 | CN202641163U Disc type compasses |
| 01/02/2013 | CN202641159U Multifunctional triangular ruler |
| 01/02/2013 | CN202641156U Multifunctional straight ruler |
| 01/02/2013 | CN202641155U Multifunctional straight ruler |
| 01/02/2013 | CN102848824A Equilateral polygon drawing data tablet |
| 01/02/2013 | CN102848823A Drawing ruler |
| 01/02/2013 | CN102848819A Multifunctional grid type graduated scale |
| 01/02/2013 | CN102848818A Multifunctional straight ruler |
| 01/02/2013 | CN102848817A Calibrated scale with fluorescence |
| 12/2012 | |
| 12/26/2012 | CN202623715U Grid line drawing device for English teaching |
| 12/26/2012 | CN202623714U Four-line scale for primary school language teaching |
| 12/26/2012 | CN202623713U Ruler for mathematical education of primary school |
| 12/26/2012 | CN202623712U Ruler for teaching |
| 12/26/2012 | CN202623711U Combined geometry tool |
| 12/26/2012 | CN202623710U Drawing instrument special for economic management |
| 12/26/2012 | CN202623709U Novel geometry teaching drawing rule |
| 12/26/2012 | CN202623708U Set square |
| 12/26/2012 | CN202623707U Multifunctional mathematics teaching instrument |
| 12/26/2012 | CN202623706U Angle measuring dial |
| 12/26/2012 | CN202623705U Automatic plotter |
| 12/26/2012 | CN202623693U Ruler |
| 12/26/2012 | CN102837535A Angle drawing device |
| 12/26/2012 | CN102837534A Multifunctional graduated scale |
| 12/25/2012 | US8336215 Image card, image engraving device and image engraving method |
| 12/25/2012 | US8336214 Sewing machine with engraving function |
| 12/19/2012 | CN202608365U Multifunctional ruler |
| 12/19/2012 | CN202608364U Blackboard-writing lattice-drawing device for Chinese teaching |
| 12/19/2012 | CN202608363U Examination card-painting device |
| 12/19/2012 | CN202608362U Pen ink cleaning device |
| 12/19/2012 | CN202608361U Set square scale combined device for mathematical education |
| 12/19/2012 | CN202608360U Multifunctional mathematic ruler with calculator |
| 12/19/2012 | CN202608359U Multifunctional set square for blackboard |
| 12/19/2012 | CN202608358U Folding ruler for teaching |
| 12/19/2012 | CN202608357U Special combined ruler for economic management |
| 12/19/2012 | CN202608356U Integrated combination measuring rule |
| 12/19/2012 | CN202608355U Ruler-compass dual-purpose cyclograph capable of fixing axis by utilizing magnet |
| 12/19/2012 | CN202608354U Multifunctional folding ruler |
| 12/19/2012 | CN202608353U Foldable drawing tool for teacher |
| 12/19/2012 | CN202608348U 新型尺子 The new ruler |
| 12/19/2012 | CN202608343U Line grid positioning blackboard for English to Chinese board writing |
| 12/19/2012 | CN102825955A Portable angular bisector drawing device |
| 12/19/2012 | CN102825954A Multifunctional set square |
| 12/12/2012 | CN202599291U Dimension caliber |
| 12/12/2012 | CN202599284U Multifunction graduated scale |
| 12/12/2012 | CN202593089U Line lattice fast drawing device |
| 12/12/2012 | CN202593088U Mark scraper for teaching |
| 12/12/2012 | CN202593087U Line drawing device for English teaching |
| 12/12/2012 | CN202593086U Dual-purpose ruler capable of drawing parallel line and changeable angle |
| 12/12/2012 | CN202593085U Page or paper surface non-trace grid making device |
| 12/12/2012 | CN202593084U Multifunctional stationery |
| 12/12/2012 | CN202593083U Folding ruler for teachers |
| 12/12/2012 | CN202593082U Dust absorption blackboard |
| 12/12/2012 | CN202593081U Multifunctional special ruler for accountant |
| 12/12/2012 | CN202593080U Novel angle ruler |
| 12/12/2012 | CN202593079U Novel math teaching aid ruler |
| 12/12/2012 | CN202593078U Ruler with containing box |
| 12/12/2012 | CN202593077U Multifunctional intelligent ruler |
| 12/12/2012 | CN202593076U Highly-integrated drawing tool |
| 12/12/2012 | CN102815146A Angle ruler |
| 12/12/2012 | CN102815143A Grid ruler |
| 12/05/2012 | CN202573521U Line drawing device for Chinese teaching |
| 12/05/2012 | CN202573520U Geometrical mathematic teaching tool |
| 12/05/2012 | CN202573519U Teaching aid for rapidly drawing English four-line grid |
| 12/05/2012 | CN202573518U Parabola and hyperbolic curve drawing instrument |
| 12/05/2012 | CN202573517U Ruler with circle drawing function |
| 12/05/2012 | CN202573516U Math teaching aid |
| 12/05/2012 | CN202573515U Quick scriber for tensile test piece |