| Patents for B43L 13 - Drawing instruments, or writing or drawing appliances or accessories, not otherwise provided for (6,769) |
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| 09/30/2009 | CN201317210Y Square root ruler |
| 09/30/2009 | CN101544150A Precision compensation method for pen type graph plotter based on error field |
| 09/23/2009 | CN101537757A Multifunctional teaching ruler |
| 09/17/2009 | DE202008010684U1 Blattgutbearbeitungsgerät Blattgutbearbeitungsgerät |
| 09/16/2009 | CN201309345Y Simple line marker |
| 09/16/2009 | CN201309344Y Multifunctional small ruler |
| 09/16/2009 | CN201309343Y Multipurpose ruler |
| 09/16/2009 | CN201309342Y Braille drawing template |
| 09/16/2009 | CN201309341Y Multifunctional angle-drawing protractor |
| 09/09/2009 | EP1978889B1 Copy and machining device |
| 09/09/2009 | CN201304823Y Ruler special for drawing parallel lines |
| 09/09/2009 | CN201304822Y Protractor for drawing circle |
| 09/09/2009 | CN201304821Y Multi-purpose folding ruler for blackboard teaching |
| 09/09/2009 | CN201304820Y Multi-function ruler |
| 09/09/2009 | CN201304819Y Drawing ruler for blackboard |
| 09/02/2009 | CN201300629Y Dedicated ruler for producing perspective effect drawing |
| 09/02/2009 | CN201300628Y Mathematical teaching aid |
| 09/02/2009 | CN201300627Y Multi-angle angle square |
| 09/02/2009 | CN201300626Y Angle measuring and drawing scale |
| 09/02/2009 | CN201300625Y Mechanical hand plotting device |
| 08/27/2009 | US20090211104 System and method for creating purportionately accurate figures |
| 08/26/2009 | CN201296120Y Angle-drawing instrument |
| 08/26/2009 | CN101513810A Angular bisector drawing machine |
| 08/26/2009 | CN100532131C Perspective ruler |
| 08/20/2009 | US20090205217 Template |
| 08/19/2009 | CN201291688Y Ruler convenient to draw collateral line |
| 08/19/2009 | CN201291687Y Chalk mark scraper for staff |
| 08/19/2009 | CN201291686Y Combined stationery board |
| 08/19/2009 | CN201291685Y 画图仪 Paint instrument |
| 08/19/2009 | CN201291684Y Geometry coordinate machine |
| 08/19/2009 | CN201291682Y Compasses with ruler |
| 08/12/2009 | CN201289696Y Six-usage graph ruler |
| 08/12/2009 | CN201287555Y Combined flabellate divider calipers |
| 08/06/2009 | US20090193670 Multi-functional carpentry tool |
| 08/05/2009 | CN201283730Y Perspective comparing rule |
| 08/05/2009 | CN101497292A Writing and displaying board for colorful painting |
| 07/29/2009 | EP1815319A4 System, method and computer program for enabling signings and dedications on a remote basis |
| 07/29/2009 | CN201280009Y Multipurpose scriber for blackboard |
| 07/29/2009 | CN201280008Y Multifunctional mapping tool |
| 07/22/2009 | CN201275958Y 多功能三角板 Multifunction triangle |
| 07/22/2009 | CN201275957Y Accurate convenient bevel gauge |
| 07/22/2009 | CN201275956Y Multipurpose ruler |
| 07/22/2009 | CN201275955Y Multifunctional drawing teaching aid |
| 07/22/2009 | CN201275954Y Multifunctional graphometer for student |
| 07/22/2009 | CN201275953Y 量角尺 Amount Square |
| 07/22/2009 | CN201275952Y Mutli-angle multipurpose set square |
| 07/15/2009 | CN201272157Y Bevel gauge with straight ruler |
| 07/15/2009 | CN201272156Y Magnetic set square |
| 07/15/2009 | CN201272155Y Set square for teaching |
| 07/15/2009 | CN201272154Y Novel stainless steel set square |
| 07/15/2009 | CN201272153Y Key plate answer sheet filling-in device |
| 07/15/2009 | CN201272152Y Multifunctional ruler |
| 07/15/2009 | CN201272151Y Bevel protractor |
| 07/15/2009 | CN201272150Y Suction cup triangle |
| 07/15/2009 | CN201272149Y Multifunctional straightedge |
| 07/15/2009 | CN201272148Y Dashed line pen |
| 07/15/2009 | CN201272147Y Multifunctional ruler |
| 07/15/2009 | CN100513203C Reusable device for creating a model or reproducing a subject manually |
| 07/08/2009 | CN201268180Y Triangular plotting assisting plate |
| 07/08/2009 | CN201268179Y Set square combined protractor and compasses |
| 07/08/2009 | CN201268178Y Multipurpose drawing tool |
| 07/08/2009 | CN101474930A Multifunctional plotter |
| 07/01/2009 | CN201264452Y Multifunctional accurate drawing ruler |
| 07/01/2009 | CN201264451Y Multifunctional teaching aid |
| 07/01/2009 | CN101468572A Multi-functional ruler |
| 06/25/2009 | US20090158601 Creative Designing Apparatus |
| 06/25/2009 | DE102007061145A1 Drawing instrument i.e. light-conducting drawing instrument, for drawing e.g. straight and curved lines, has diffuser lens deflecting light in main plane, where light is guided from inner side to outer side by instrument |
| 06/24/2009 | CN201261335Y Convenient drawing protractor |
| 06/24/2009 | CN201261334Y Portable multifunctional engineering measurement plotting instrument |
| 06/24/2009 | CN201261333Y 多功能尺子 Multifunctional ruler |
| 06/17/2009 | CN201257856Y Multi-functional angulometer |
| 06/17/2009 | CN201257855Y Novel ruler |
| 06/17/2009 | CN201257854Y 书签尺 Bookmark feet |
| 06/10/2009 | CN101450570A Establishment method of the first, third angle four, five-side system |
| 06/10/2009 | CN101450569A Magic drawing board |
| 06/04/2009 | DE202008005622U1 Gerät zum Schreiben, Zeichnen oder Malen oder form ähnlicher Produkte mit Klipp Apparatus for writing, drawing or painting or form similar products with Clip |
| 06/03/2009 | EP2064603A1 Apparatus, system and computer program for controlling a tool |
| 06/03/2009 | CN201249611Y Staff plotter |
| 06/03/2009 | CN201249610Y Mathematical drawing rule |
| 06/03/2009 | CN201249609Y Collapsible protractor |
| 05/27/2009 | CN201245014Y Multifunction stationary |
| 05/27/2009 | CN201245013Y Measuring and drawing instrument |
| 05/27/2009 | CN201245012Y Multifunctional ruler |
| 05/27/2009 | CN201245007Y Improved board rule |
| 05/27/2009 | CN201245006Y Answer sheet writing ruler |
| 05/27/2009 | CN101439640A Composite ruler tool |
| 05/27/2009 | CN101439639A Multifunctional safety compasses device |
| 05/20/2009 | CN201240180Y Magnetic attraction mute blackboard drawing set square |
| 05/20/2009 | CN201240179Y Protractor |
| 05/20/2009 | CN201240174Y Sliding slot type parallel ruler |
| 05/14/2009 | CA2610511A1 Medium for constructing or composing drawings, signs, writings or illustrations by colouring said medium, sticker used to do it and program product enabling its computerized application |
| 05/13/2009 | CN201235685Y Two-purpose elliptic, elliptical compass compasses |
| 05/13/2009 | CN201235684Y Multipurpose ruler |
| 05/06/2009 | CN201231627Y Ruler |
| 04/29/2009 | CN201229686Y A three equality angle dividing instrument |
| 04/29/2009 | CN201227920Y Protractor for mapping |
| 04/29/2009 | CN201227919Y Novel triangles |
| 04/29/2009 | CN201226929Y Student ruler with writing case in the middle |
| 04/22/2009 | CN201224273Y Multipurpose ruler |
| 04/22/2009 | CN101412340A Mobile type drawing disk |