Patents
Patents for B43L 13 - Drawing instruments, or writing or drawing appliances or accessories, not otherwise provided for (6,769)
05/2013
05/01/2013CN202911399U Drawing rule special for business administration enterprise strategy education
05/01/2013CN202911398U Foldable triangular rule
05/01/2013CN202911397U Multifunctional mathematics learning tool
05/01/2013CN202911396U Ruler for filling in statistical table
05/01/2013CN202911395U Ruler
05/01/2013CN202911386U Methane model set square
05/01/2013CN202911385U Mathematics teaching dividing ruler
05/01/2013CN103075941A Goniometer
05/01/2013CN103072411A Drawing device with functions of set square, compasses and protractor
04/2013
04/24/2013CN202896078U Ruler shaped like Chinese character 'tian' for Chinese teaching
04/24/2013CN202896077U Drawing template
04/24/2013CN202896076U Retractable English teaching scriber
04/24/2013CN202896075U English language teaching marking-off plate
04/24/2013CN202896074U Teaching straightedge with function of drawing circle
04/24/2013CN202896073U Angle ruler for mechanical drawing teaching
04/24/2013CN202896072U Drawing board for advanced mathematics teaching
04/24/2013CN202896071U 组合尺 Combination foot
04/24/2013CN202896070U Combined ruler
04/24/2013CN202896069U Multifunctional plotting instrument
04/24/2013CN202896068U Hand protection cutter ruler
04/24/2013CN202896067U Protractor
04/24/2013CN202896066U Multifunctional compasses for mathematical education
04/24/2013CN202896065U Compass with amending function
04/24/2013CN202896059U Multifunctional triangle ruler for accountant
04/24/2013CN202896058U 尺子 Ruler
04/24/2013CN202896056U Assembly type multipurpose straight rule
04/24/2013CN202896047U Mathematic teaching plate with labor saved and drawing easy to achieve
04/24/2013CN103065542A Numerical control whiteboard plotter for teaching
04/23/2013US8424216 Dual-side engraving system
04/17/2013CN202879058U Multipurpose card fill-out device
04/17/2013CN202879057U Three-grid setting-out device for English language teaching
04/17/2013CN202879056U Teaching tool for primary school mathematics
04/17/2013CN202879055U Multi-functional mathematics teaching aid
04/17/2013CN202879054U Drawing ruler for teaching
04/17/2013CN202879053U Novel math multipurpose ruler
04/17/2013CN202879052U Coordinate measuring device for mathematical statistic analysis
04/17/2013CN202879051U Multifunctional ruler
04/17/2013CN202879050U Ruler device for mathematics teaching
04/17/2013CN202879049U Notebook for blind people
04/17/2013CN202879048U Novel plotting instrument
04/17/2013CN202879047U Portable teaching set square
04/17/2013CN202879046U Ruler with compass
04/17/2013CN202879045U Multipurpose ruler for horizontally and vertically drawing lines
04/17/2013CN202879044U Multifunctional protractor
04/17/2013CN202879035U Combined ruler protractor set square
04/17/2013CN202879034U Set square
04/17/2013CN202879032U Multifunctional set square
04/17/2013CN202879031U Multifunctional straight scale
04/17/2013CN202879030U Multifunctional set square
04/17/2013CN103042865A Teaching multipurpose ruler
04/10/2013CN202862946U Hollow track handwriting formwork
04/10/2013CN202862945U Multifunctional stationery ruler
04/10/2013CN202862944U Four-line ruling device used for English teaching
04/10/2013CN202862943U Marking gage used for art teaching
04/10/2013CN202862942U Line drawing board for Pinyin teaching
04/10/2013CN202862941U Lineation device for teaching
04/10/2013CN202862940U Multifunctional teaching tool for teaching
04/10/2013CN202862939U Square-drawing machine for Chinese teaching
04/10/2013CN202862938U Triangle for drawing triangles on blackboard
04/10/2013CN202862937U Math teaching aid used for drawing straight lines on blackboard
04/10/2013CN202862936U Protractor
04/10/2013CN202862935U Mathematical combination rule
04/10/2013CN202862928U Geometry teaching ruler
04/10/2013CN202862927U Ruler
04/10/2013CN103029496A Novel angle gauge
04/04/2013WO2013017863A3 Craft board
04/03/2013CN202847258U Multifunctional ruler for mathematics
04/03/2013CN202847257U Angle flat separator
04/03/2013CN202847256U Multifunctional ruler
04/03/2013CN202847255U Multifunctional teaching set square
04/03/2013CN202847254U Angle trisection device
04/03/2013CN202847253U Multifunctional ruler
04/03/2013CN202847243U Multifunctional T-shaped ruler
04/03/2013CN202847240U Ruler special for accountant
04/03/2013CN202847233U Multifunctional electronic blackboard
03/2013
03/27/2013CN202826882U Writing plate
03/27/2013CN202826881U Adjustable type line drawing box used for phonics teaching
03/27/2013CN202826880U Detachable ruler for drawing parallel lines
03/27/2013CN202826879U Heat humidity ratio line meter
03/27/2013CN202826878U Multifunctional teaching aid
03/27/2013CN202826877U Ruler tool device capable of bringing convenience to mathematical teaching
03/27/2013CN202826876U Multifunctional teaching triangular plate
03/27/2013CN202826875U Ruler and compass unit
03/27/2013CN202826874U Multifunctional protractor
03/27/2013CN202826873U Double-wheel straightedge rule
03/27/2013CN202826872U Novel electric washed blackboard
03/27/2013CN202826871U Multifunctional protractor
03/27/2013CN202826864U Marking tool for concentric circles and parallel lines
03/27/2013CN202826861U Multifunctional set square
03/27/2013CN202826860U Multifunctional student ruler
03/27/2013CN202826859U Novel ruler
03/27/2013CN102991225A Card scribbling eraser
03/27/2013CN102991221A Triangular plate
03/27/2013CN102991220A Line drawing rule
03/27/2013CN102991219A Rule
03/27/2013CN102991218A Multifunctional ruler
03/27/2013CN102991217A Multi-purpose scale
03/27/2013CN102991209A Angle measuring triangular rule
03/27/2013CN102991208A Combined drawing board
03/26/2013US8402670 Tensile bar marking fixture
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