| Patents for B43L 9 - Circular curve-drawing or like instruments (2,793) | |
|---|---|
| 11/2009 | |
| 11/25/2009 | CN201350768Y Multifunctional ruler |
| 11/25/2009 | CN201350767Y Compasses with scale |
| 11/19/2009 | DE202009011134U1 Zirkel Circle |
| 11/19/2009 | DE112005000019B3 Wasserwaage Spirit level |
| 11/18/2009 | CN201346935Y Compass |
| 11/18/2009 | CN201346934Y Multifunctional drawing instrument |
| 11/18/2009 | CN201346923Y Compasses pen holder |
| 11/11/2009 | EP2116392A2 Ultralight and perfumed compasses made of aluminium alloy |
| 11/11/2009 | CN201342880Y Telescopic multi-function drawing rule |
| 11/11/2009 | CN201342878Y Compasses |
| 11/11/2009 | CN201342877Y Tool for drawing clock |
| 11/11/2009 | CN201342876Y Compass ruler for blackboard |
| 10/2009 | |
| 10/28/2009 | CN201333879Y Compasses absorbed on lecture course tablet |
| 10/28/2009 | CN100554003C Teaching instrument for geometry |
| 10/21/2009 | CN201329743Y Magnetic blackboard compasses fixer |
| 10/21/2009 | CN201329742Y Suction-type compasses |
| 10/21/2009 | CN201329741Y Telescopic angle-drawing compass |
| 10/21/2009 | CN201329740Y Ruler capable of drawing circle |
| 10/14/2009 | EP2108523A2 Fast open compass |
| 10/07/2009 | CN201320906Y Multipurpose combined teaching aid |
| 10/07/2009 | CN201320904Y Novel compasses |
| 10/07/2009 | CN201320902Y Straightedge |
| 10/07/2009 | CN101549606A New type compasses for teaching |
| 09/2009 | |
| 09/30/2009 | CN201317209Y Sucked type cyclograph for teaching |
| 09/30/2009 | CN201317208Y High-precision quick-setting compasses |
| 09/30/2009 | CN201317207Y Cyclograph |
| 09/30/2009 | CN101544149A Multifunctional drawing tool |
| 09/23/2009 | CN101537757A Multifunctional teaching ruler |
| 09/16/2009 | CN201309340Y Compasses with sucker |
| 09/09/2009 | CN201304818Y Magnetic teaching aid compasses |
| 09/09/2009 | CN201304817Y Semiautomatic compasses |
| 09/09/2009 | CN201304816Y Double-purpose compasses |
| 09/09/2009 | CN201304815Y Compasses convenient for teaching |
| 09/02/2009 | CN201300624Y Three-purpose compasses for teacher |
| 09/02/2009 | CN201300623Y Compasses ruler |
| 08/2009 | |
| 08/26/2009 | CN201296119Y Compasses with scissors |
| 08/20/2009 | WO2009049590A3 Pair of dividers comprising a joint and an arresting device |
| 08/19/2009 | CN201291684Y Geometry coordinate machine |
| 08/19/2009 | CN201291683Y Novel compasses special for blackboard |
| 08/19/2009 | CN201291682Y Compasses with ruler |
| 08/19/2009 | CN201291681Y Multifunction compasses |
| 08/12/2009 | CN201287555Y Combined flabellate divider calipers |
| 08/12/2009 | CN201287554Y Suction disc type circular curve-drawing instrument for teaching |
| 08/12/2009 | CN201287553Y Compass |
| 08/12/2009 | CN201287552Y Concentric double-round compass |
| 08/06/2009 | US20090193670 Multi-functional carpentry tool |
| 08/05/2009 | CN201283729Y Caliper compasses |
| 08/05/2009 | CN201283728Y Four-in-one compasses |
| 08/05/2009 | CN201283721Y Pen-shaped compasses |
| 08/05/2009 | CN101497293A Multipurpose educational compasses |
| 07/2009 | |
| 07/30/2009 | DE102007049513B4 Zirkel Circle |
| 07/29/2009 | CN201280007Y Ruler for measuring grade of slope and plotting graph |
| 07/22/2009 | CN201275951Y Dual-purpose compasses for students |
| 07/21/2009 | CA2510543C Compass-cutter |
| 07/15/2009 | CN201272146Y Multifunctional compasses |
| 07/15/2009 | CN201272145Y Safety compasses |
| 07/15/2009 | CN201272144Y Compass with directly measurable distance of two feet |
| 07/01/2009 | CN201264450Y 圆规 Compasses |
| 07/01/2009 | CN201264449Y Spiral disc compasses |
| 06/2009 | |
| 06/24/2009 | CN201261332Y Compasses for plane and sphere |
| 06/17/2009 | CN201257852Y Educational compasses |
| 06/17/2009 | CN201257851Y Convenient compasses |
| 06/10/2009 | CN201254030Y Compasses for teaching |
| 06/10/2009 | CN201254029Y Educational compasses |
| 06/10/2009 | CN201254028Y Assembling portable ruler compasses |
| 06/03/2009 | CN201249608Y Compass dividers |
| 06/03/2009 | CN201249607Y Multi-functional dividers |
| 05/2009 | |
| 05/27/2009 | CN201245014Y Multifunction stationary |
| 05/27/2009 | CN201245013Y Measuring and drawing instrument |
| 05/27/2009 | CN201245011Y Magnetic elliptic compasses |
| 05/27/2009 | CN201245010Y Compasses with magnet |
| 05/27/2009 | CN201245009Y Compasses with radius and angle graduated scale |
| 05/27/2009 | CN201245008Y Semiautomatic compasses |
| 05/27/2009 | CN101439639A Multifunctional safety compasses device |
| 05/20/2009 | CN201240177Y Multipurpose educational compasses |
| 05/20/2009 | CN201240176Y Pen-shaped compasses with propelling pencil apparatus |
| 05/20/2009 | CN201240175Y Diameter compasses |
| 05/13/2009 | CN201235685Y Two-purpose elliptic, elliptical compass compasses |
| 05/13/2009 | CN201235676Y Multifunction compasses |
| 05/13/2009 | CN201235670Y Multifunctional chalk jacket |
| 05/06/2009 | CN201231626Y Multipurpose compasses |
| 04/2009 | |
| 04/29/2009 | CN201227918Y Large radius circular arc compasses |
| 04/23/2009 | WO2009049590A2 Pair of dividers comprising a joint and an arresting device |
| 04/23/2009 | DE102007049513A1 Zirkel Circle |
| 04/22/2009 | CN201224271Y Multifunctional compasses |
| 04/22/2009 | CN101412340A Mobile type drawing disk |
| 04/16/2009 | US20090095208 Water drift compensation method and device |
| 04/15/2009 | CN201220547Y Compass |
| 04/15/2009 | CN201220546Y Compasses using parallelogram principle |
| 04/15/2009 | CN201220542Y Multifunctional ruler |
| 04/15/2009 | CN101407148A Multi-functional ruler-compasses |
| 04/15/2009 | CN100478191C Structure and method for holding and protecting vials in levels |
| 04/08/2009 | CN201218993Y Teaching stick |
| 04/08/2009 | CN201217335Y Compasses for teaching |
| 04/08/2009 | CN201217334Y Compasses for teaching |
| 04/08/2009 | CN100475555C Drawing compass |
| 04/01/2009 | CN201214347Y Teaching compasses |
| 04/01/2009 | CN201214346Y Angle compasses |
| 04/01/2009 | CN101396940A Multi-function drawing instrument |
| 03/2009 | |
| 03/25/2009 | CN201211798Y Teaching rule |