| Patents for B43L 13 - Drawing instruments, or writing or drawing appliances or accessories, not otherwise provided for (6,769) | |
|---|---|
| 02/2014 | |
| 02/05/2014 | CN203418902U English teaching ruler |
| 02/05/2014 | CN203418901U English teaching board |
| 02/05/2014 | CN203418900U Multi-functional ruler for teaching |
| 02/05/2014 | CN203418899U Multifunctional ruler |
| 02/05/2014 | CN203416948U Multi-functional university mathematics teaching table |
| 02/05/2014 | CN103552405A Teaching compass |
| 01/2014 | |
| 01/29/2014 | DE202013010264U1 Tragbares dreidimensionales Zeichengerät A portable three-dimensional character device |
| 01/29/2014 | CN203410207U Drawing board |
| 01/29/2014 | CN103538397A Iris-type circle drawing tool |
| 01/29/2014 | CN103538392A Fast field-like grid drawing device for teachers |
| 01/22/2014 | CN203404665U Auxiliary drawing instrument used for higher mathematics teaching |
| 01/22/2014 | CN203401847U Drawing ruler for statistics |
| 01/22/2014 | CN103522806A Pen type automatic clothes platemaking ruler |
| 01/22/2014 | CN103522805A Bidirectional scriber with chalks |
| 01/22/2014 | CN103522804A Protractor |
| 01/15/2014 | CN203391530U Multi-purpose mathematical teaching ruler |
| 01/15/2014 | CN203391529U Drawing rule for primary mathematics |
| 01/15/2014 | CN203391525U Multifunctional mathematical instrument |
| 01/15/2014 | CN203391524U Circle-drawing ruler |
| 01/15/2014 | CN103512442A Ruler capable of placing article |
| 01/15/2014 | CN103507513A Triangular angle former |
| 01/15/2014 | CN103507512A 多功能尺规 Multifunctional ruler |
| 01/15/2014 | CN103507511A Spliced ruler |
| 01/15/2014 | CN103507510A Novel ruler set |
| 01/15/2014 | CN103507509A Visualized trisection angle ruler and method |
| 01/15/2014 | CN103507508A Radius-self-setting compasses |
| 01/15/2014 | CN103507505A Triangular angle forming ruler |
| 01/15/2014 | CN103507500A Novel ruler |
| 01/15/2014 | CN103507499A Novel ruler with clock |
| 01/14/2014 | US8627768 Ball marking device |
| 01/09/2014 | CA2783316A1 Drawing toy with stylus detection |
| 01/08/2014 | CN203381394U Scribing, indexing and hole-arranging ruler for circular curve |
| 01/08/2014 | CN203381393U Portable multipurpose ruler for blackboard |
| 01/08/2014 | CN203381381U Writing brush clamping and lifting device |
| 01/08/2014 | CN103496270A Multifunctional drawing ruler |
| 01/02/2014 | DE102008049592B4 Multifunktionslocher Multifunction punch |
| 01/01/2014 | CN203371963U 一种多功能直尺 A multifunctional ruler |
| 01/01/2014 | CN203371962U Multipurpose ruler for geographical teaching |
| 01/01/2014 | CN203371961U Multifunctional teaching ruler |
| 01/01/2014 | CN203371960U Combined type set square |
| 01/01/2014 | CN203371959U Multifunctional blackboard erasing and writing device with machine vision |
| 01/01/2014 | CN203371953U 数学教学架 Mathematics Teaching rack |
| 01/01/2014 | CN103486926A Scissor type protractor device |
| 01/01/2014 | CN103486923A Multifunctional flexible rule |
| 01/01/2014 | CN103481705A Engineering drawing set |
| 12/2013 | |
| 12/25/2013 | CN203358140U Multifunctional sliding ruler |
| 12/25/2013 | CN203358139U Vernier type arc surveying and mapping tool |
| 12/25/2013 | CN203358138U Diagraph for mathematics classroom teaching |
| 12/25/2013 | CN203358137U Charting tool |
| 12/25/2013 | CN103465696A Multipurpose surveying and mapping pen |
| 12/25/2013 | CN103465695A Method for positioning polyester film |
| 12/25/2013 | CN103465694A Foldable ruler with protecting cover |
| 12/18/2013 | CN203344575U Multi-line drawing ruler |
| 12/18/2013 | CN203344574U Multi-functional ruler for university mathematics |
| 12/18/2013 | CN203344573U Drawing tool |
| 12/18/2013 | CN203344572U Drawing template with ball rod |
| 12/18/2013 | CN203344571U Micro inching device of surveying instrument |
| 12/18/2013 | CN203344570U Multipurpose math teaching aid |
| 12/18/2013 | CN203344569U Multipurpose mathematics ruler for students |
| 12/18/2013 | CN203344568U 多功能数学尺 Multifunction mathematics feet |
| 12/18/2013 | CN203344567U Novel combined ruler special for economic management |
| 12/18/2013 | CN203344566U Multi-functional circle drawing teaching aid |
| 12/18/2013 | CN203344561U Blackboard for mathematics teaching |
| 12/18/2013 | CN203344560U English teaching blackboard |
| 12/18/2013 | CN203344559U Novel mathematics teaching board |
| 12/18/2013 | CN103448428A Ruler for parallel lines |
| 12/11/2013 | CN203331654U Multi-functional drawing ruler |
| 12/11/2013 | CN203331653U Plane geometry teaching aid |
| 12/11/2013 | CN203331652U Multifunctional measure device for physics teaching |
| 12/11/2013 | CN203331651U Multifunctional paperweight ruler |
| 12/11/2013 | CN203331650U Mathematical teaching combined tool |
| 12/11/2013 | CN103438883A Positioning, navigating and locus plotting apparatus |
| 12/11/2013 | CN103434312A Method for drawing arrangement lines with paying-off device |
| 12/04/2013 | CN203317976U Multifunctional drawing board |
| 12/04/2013 | CN203317975U Auxiliary card coating device |
| 12/04/2013 | CN203317974U Anti-cheating card coating device |
| 12/04/2013 | CN203317973U Multifunctional grid drawing ruler |
| 12/04/2013 | CN203317972U Primary school teaching apparatus for Chinese language |
| 12/04/2013 | CN203317971U Mathematics teaching ruler |
| 12/04/2013 | CN203317970U Novel drawing tool |
| 12/04/2013 | CN203317969U Multifunctional ruler capable of scraping lead conveniently |
| 12/04/2013 | CN203317968U Anti-fake ruler for accountant |
| 12/04/2013 | CN203317967U Automatic four-wire grid scriber |
| 12/04/2013 | CN203317966U Novel drawing frame |
| 12/04/2013 | CN203317965U Animation teaching ruler |
| 12/04/2013 | CN203317964U Simple and easy line drawing tool |
| 12/04/2013 | CN203317963U Mathematics teaching aid |
| 12/04/2013 | CN203314417U Device facilitating reading and drawing of people with physical disability |
| 12/04/2013 | CN103419534A Multi-purpose ruler |
| 11/2013 | |
| 11/27/2013 | CN203310321U Convenient measuring tape |
| 11/27/2013 | CN203305736U Drawing tool for transformer substation main electrical connection board |
| 11/27/2013 | CN203305735U Line width adjustable four-line pen for Chinese teaching |
| 11/27/2013 | CN203305734U Multifunctional math teaching aid |
| 11/27/2013 | CN203305733U Protractor |
| 11/27/2013 | CN203305732U Multifunctional compasses |
| 11/27/2013 | CN203305731U Ruler for teaching |
| 11/27/2013 | CN203305722U Multifunctional movable triangular ruler |
| 11/27/2013 | CN203305721U Circuit construction auxiliary scale |
| 11/27/2013 | CN203305716U Blackboard used for mathematical teaching and provided with accurate drawing tool |
| 11/20/2013 | EP2490902B1 A drawing device for creating mandala |